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Finding the Fourth Proportional to 95,468.64, 131,750.46 and 65,317.20

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Solution

The fourth proportional to 95,468.64, 131,750.46 and 65,317.20 is: 90,140.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,468.64 : 131,750.46 = 65,317.20 : x
  2. Step 2: Convert to fraction form
    95,468.64/131,750.46 = 65,317.20/x
  3. Step 3: Cross multiply
    95,468.64x = 131,750.46 × 65,317.20
  4. Step 4: Simplify right side
    95,468.64x = 8,605,571,145.91
  5. Step 5: Solve for x
    x = 8,605,571,145.91/95,468.64
  6. Step 6: Final answer
    x = 90,140.29

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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.