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Finding the Fourth Proportional to 173,712.89, 260,530.09 and 88,237.17

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Solution

The fourth proportional to 173,712.89, 260,530.09 and 88,237.17 is: 132,335.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,712.89 : 260,530.09 = 88,237.17 : x
  2. Step 2: Convert to fraction form
    173,712.89/260,530.09 = 88,237.17/x
  3. Step 3: Cross multiply
    173,712.89x = 260,530.09 × 88,237.17
  4. Step 4: Simplify right side
    173,712.89x = 22,988,437,841.45
  5. Step 5: Solve for x
    x = 22,988,437,841.45/173,712.89
  6. Step 6: Final answer
    x = 132,335.82

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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.