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Finding the Fourth Proportional to 115,463.92, 173,286.48 and 59,301.76

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Solution

The fourth proportional to 115,463.92, 173,286.48 and 59,301.76 is: 88,999.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,463.92 : 173,286.48 = 59,301.76 : x
  2. Step 2: Convert to fraction form
    115,463.92/173,286.48 = 59,301.76/x
  3. Step 3: Cross multiply
    115,463.92x = 173,286.48 × 59,301.76
  4. Step 4: Simplify right side
    115,463.92x = 10,276,193,248.20
  5. Step 5: Solve for x
    x = 10,276,193,248.20/115,463.92
  6. Step 6: Final answer
    x = 88,999.17

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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.