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Finding the Fourth Proportional to 95,281.70, 131,487.86 and 52,260.31

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Solution

The fourth proportional to 95,281.70, 131,487.86 and 52,260.31 is: 72,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,281.70 : 131,487.86 = 52,260.31 : x
  2. Step 2: Convert to fraction form
    95,281.70/131,487.86 = 52,260.31/x
  3. Step 3: Cross multiply
    95,281.70x = 131,487.86 × 52,260.31
  4. Step 4: Simplify right side
    95,281.70x = 6,871,596,695.69
  5. Step 5: Solve for x
    x = 6,871,596,695.69/95,281.70
  6. Step 6: Final answer
    x = 72,118.74

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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.