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Finding the Fourth Proportional to 137,251.40, 205,877.10 and 115,600.10

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Solution

The fourth proportional to 137,251.40, 205,877.10 and 115,600.10 is: 173,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,251.40 : 205,877.10 = 115,600.10 : x
  2. Step 2: Convert to fraction form
    137,251.40/205,877.10 = 115,600.10/x
  3. Step 3: Cross multiply
    137,251.40x = 205,877.10 × 115,600.10
  4. Step 4: Simplify right side
    137,251.40x = 23,799,413,347.71
  5. Step 5: Solve for x
    x = 23,799,413,347.71/137,251.40
  6. Step 6: Final answer
    x = 173,400.15

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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.