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Finding the Fourth Proportional to 112,100,855.30, 168,151,282.95 and 112,100,855.30

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Solution

The fourth proportional to 112,100,855.30, 168,151,282.95 and 112,100,855.30 is: 168,151,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,100,855.30 : 168,151,282.95 = 112,100,855.30 : x
  2. Step 2: Convert to fraction form
    112,100,855.30/168,151,282.95 = 112,100,855.30/x
  3. Step 3: Cross multiply
    112,100,855.30x = 168,151,282.95 × 112,100,855.30
  4. Step 4: Simplify right side
    112,100,855.30x = 18,849,902,638,487,304
  5. Step 5: Solve for x
    x = 18,849,902,638,487,304/112,100,855.30
  6. Step 6: Final answer
    x = 168,151,282.95

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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.