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Finding the Fourth Proportional to 95,223.92, 142,837.43 and 45,293.90

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Solution

The fourth proportional to 95,223.92, 142,837.43 and 45,293.90 is: 67,941.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,223.92 : 142,837.43 = 45,293.90 : x
  2. Step 2: Convert to fraction form
    95,223.92/142,837.43 = 45,293.90/x
  3. Step 3: Cross multiply
    95,223.92x = 142,837.43 × 45,293.90
  4. Step 4: Simplify right side
    95,223.92x = 6,469,663,330.02
  5. Step 5: Solve for x
    x = 6,469,663,330.02/95,223.92
  6. Step 6: Final answer
    x = 67,941.58

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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.