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Finding the Fourth Proportional to 112,100,794.30, 168,151,191.45 and 112,100,794.30

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Solution

The fourth proportional to 112,100,794.30, 168,151,191.45 and 112,100,794.30 is: 168,151,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,100,794.30 : 168,151,191.45 = 112,100,794.30 : x
  2. Step 2: Convert to fraction form
    112,100,794.30/168,151,191.45 = 112,100,794.30/x
  3. Step 3: Cross multiply
    112,100,794.30x = 168,151,191.45 × 112,100,794.30
  4. Step 4: Simplify right side
    112,100,794.30x = 18,849,882,124,036,368
  5. Step 5: Solve for x
    x = 18,849,882,124,036,368/112,100,794.30
  6. Step 6: Final answer
    x = 168,151,191.45

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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.