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Finding the Fourth Proportional to 95,118.60, 142,736.22 and 42,572.52

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Solution

The fourth proportional to 95,118.60, 142,736.22 and 42,572.52 is: 63,884.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,118.60 : 142,736.22 = 42,572.52 : x
  2. Step 2: Convert to fraction form
    95,118.60/142,736.22 = 42,572.52/x
  3. Step 3: Cross multiply
    95,118.60x = 142,736.22 × 42,572.52
  4. Step 4: Simplify right side
    95,118.60x = 6,076,640,580.67
  5. Step 5: Solve for x
    x = 6,076,640,580.67/95,118.60
  6. Step 6: Final answer
    x = 63,884.88

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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.