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Finding the Fourth Proportional to 95,160.60, 142,695.35 and 31,963.19

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Solution

The fourth proportional to 95,160.60, 142,695.35 and 31,963.19 is: 47,929.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,160.60 : 142,695.35 = 31,963.19 : x
  2. Step 2: Convert to fraction form
    95,160.60/142,695.35 = 31,963.19/x
  3. Step 3: Cross multiply
    95,160.60x = 142,695.35 × 31,963.19
  4. Step 4: Simplify right side
    95,160.60x = 4,560,997,710.87
  5. Step 5: Solve for x
    x = 4,560,997,710.87/95,160.60
  6. Step 6: Final answer
    x = 47,929.48

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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.