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Finding the Fourth Proportional to 95,143.76, 142,687.20 and 59,658.98

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Solution

The fourth proportional to 95,143.76, 142,687.20 and 59,658.98 is: 89,470.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,143.76 : 142,687.20 = 59,658.98 : x
  2. Step 2: Convert to fraction form
    95,143.76/142,687.20 = 59,658.98/x
  3. Step 3: Cross multiply
    95,143.76x = 142,687.20 × 59,658.98
  4. Step 4: Simplify right side
    95,143.76x = 8,512,572,811.06
  5. Step 5: Solve for x
    x = 8,512,572,811.06/95,143.76
  6. Step 6: Final answer
    x = 89,470.64

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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.