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Finding the Fourth Proportional to 168,489.74, 252,808.45 and 88,509.16

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Solution

The fourth proportional to 168,489.74, 252,808.45 and 88,509.16 is: 132,802.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,489.74 : 252,808.45 = 88,509.16 : x
  2. Step 2: Convert to fraction form
    168,489.74/252,808.45 = 88,509.16/x
  3. Step 3: Cross multiply
    168,489.74x = 252,808.45 × 88,509.16
  4. Step 4: Simplify right side
    168,489.74x = 22,375,863,550.40
  5. Step 5: Solve for x
    x = 22,375,863,550.40/168,489.74
  6. Step 6: Final answer
    x = 132,802.53

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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.