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Finding the Fourth Proportional to 95,170.96, 142,712.12 and 42,580.88

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Solution

The fourth proportional to 95,170.96, 142,712.12 and 42,580.88 is: 63,851.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,170.96 : 142,712.12 = 42,580.88 : x
  2. Step 2: Convert to fraction form
    95,170.96/142,712.12 = 42,580.88/x
  3. Step 3: Cross multiply
    95,170.96x = 142,712.12 × 42,580.88
  4. Step 4: Simplify right side
    95,170.96x = 6,076,807,656.27
  5. Step 5: Solve for x
    x = 6,076,807,656.27/95,170.96
  6. Step 6: Final answer
    x = 63,851.49

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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.