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Finding the Fourth Proportional to 95,169.60, 142,700.40 and 36,007.20

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Solution

The fourth proportional to 95,169.60, 142,700.40 and 36,007.20 is: 53,990.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,169.60 : 142,700.40 = 36,007.20 : x
  2. Step 2: Convert to fraction form
    95,169.60/142,700.40 = 36,007.20/x
  3. Step 3: Cross multiply
    95,169.60x = 142,700.40 × 36,007.20
  4. Step 4: Simplify right side
    95,169.60x = 5,138,241,842.88
  5. Step 5: Solve for x
    x = 5,138,241,842.88/95,169.60
  6. Step 6: Final answer
    x = 53,990.37

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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.