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Finding the Fourth Proportional to 137,332.90, 205,935.90 and 62,450.02

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Solution

The fourth proportional to 137,332.90, 205,935.90 and 62,450.02 is: 93,646.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,332.90 : 205,935.90 = 62,450.02 : x
  2. Step 2: Convert to fraction form
    137,332.90/205,935.90 = 62,450.02/x
  3. Step 3: Cross multiply
    137,332.90x = 205,935.90 × 62,450.02
  4. Step 4: Simplify right side
    137,332.90x = 12,860,701,073.72
  5. Step 5: Solve for x
    x = 12,860,701,073.72/137,332.90
  6. Step 6: Final answer
    x = 93,646.18

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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.