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Finding the Fourth Proportional to 168,502.60, 252,581.10 and 98,345.80

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Solution

The fourth proportional to 168,502.60, 252,581.10 and 98,345.80 is: 147,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,502.60 : 252,581.10 = 98,345.80 : x
  2. Step 2: Convert to fraction form
    168,502.60/252,581.10 = 98,345.80/x
  3. Step 3: Cross multiply
    168,502.60x = 252,581.10 × 98,345.80
  4. Step 4: Simplify right side
    168,502.60x = 24,840,290,344.38
  5. Step 5: Solve for x
    x = 24,840,290,344.38/168,502.60
  6. Step 6: Final answer
    x = 147,417.85

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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.