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Finding the Fourth Proportional to 95,146.76, 142,691.70 and 59,661.98

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Solution

The fourth proportional to 95,146.76, 142,691.70 and 59,661.98 is: 89,475.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,146.76 : 142,691.70 = 59,661.98 : x
  2. Step 2: Convert to fraction form
    95,146.76/142,691.70 = 59,661.98/x
  3. Step 3: Cross multiply
    95,146.76x = 142,691.70 × 59,661.98
  4. Step 4: Simplify right side
    95,146.76x = 8,513,269,351.57
  5. Step 5: Solve for x
    x = 8,513,269,351.57/95,146.76
  6. Step 6: Final answer
    x = 89,475.14

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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.