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Finding the Fourth Proportional to 95,425.59, 131,811.30 and 72,626.07

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Solution

The fourth proportional to 95,425.59, 131,811.30 and 72,626.07 is: 100,318.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,425.59 : 131,811.30 = 72,626.07 : x
  2. Step 2: Convert to fraction form
    95,425.59/131,811.30 = 72,626.07/x
  3. Step 3: Cross multiply
    95,425.59x = 131,811.30 × 72,626.07
  4. Step 4: Simplify right side
    95,425.59x = 9,572,936,700.59
  5. Step 5: Solve for x
    x = 9,572,936,700.59/95,425.59
  6. Step 6: Final answer
    x = 100,318.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.