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Finding the Fourth Proportional to 107,645,487.90, 161,468,231.85 and 107,645,487.90

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Solution

The fourth proportional to 107,645,487.90, 161,468,231.85 and 107,645,487.90 is: 161,468,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,645,487.90 : 161,468,231.85 = 107,645,487.90 : x
  2. Step 2: Convert to fraction form
    107,645,487.90/161,468,231.85 = 107,645,487.90/x
  3. Step 3: Cross multiply
    107,645,487.90x = 161,468,231.85 × 107,645,487.90
  4. Step 4: Simplify right side
    107,645,487.90x = 17,381,326,597,843,570
  5. Step 5: Solve for x
    x = 17,381,326,597,843,570/107,645,487.90
  6. Step 6: Final answer
    x = 161,468,231.85

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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.