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Finding the Fourth Proportional to 112,101,039.65, 168,151,559.48 and 112,101,039.65

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Solution

The fourth proportional to 112,101,039.65, 168,151,559.48 and 112,101,039.65 is: 168,151,559.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,101,039.65 : 168,151,559.48 = 112,101,039.65 : x
  2. Step 2: Convert to fraction form
    112,101,039.65/168,151,559.48 = 112,101,039.65/x
  3. Step 3: Cross multiply
    112,101,039.65x = 168,151,559.48 × 112,101,039.65
  4. Step 4: Simplify right side
    112,101,039.65x = 18,849,964,636,476,812
  5. Step 5: Solve for x
    x = 18,849,964,636,476,812/112,101,039.65
  6. Step 6: Final answer
    x = 168,151,559.48

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.