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Finding the Fourth Proportional to 115,915,602.90, 173,873,404.35 and 62,167,890.90

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Solution

The fourth proportional to 115,915,602.90, 173,873,404.35 and 62,167,890.90 is: 93,251,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,915,602.90 : 173,873,404.35 = 62,167,890.90 : x
  2. Step 2: Convert to fraction form
    115,915,602.90/173,873,404.35 = 62,167,890.90/x
  3. Step 3: Cross multiply
    115,915,602.90x = 173,873,404.35 × 62,167,890.90
  4. Step 4: Simplify right side
    115,915,602.90x = 10,809,342,832,042,384
  5. Step 5: Solve for x
    x = 10,809,342,832,042,384/115,915,602.90
  6. Step 6: Final answer
    x = 93,251,836.35

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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.