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Finding the Fourth Proportional to 532,098.60, 798,145.80 and 158,121.60

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Solution

The fourth proportional to 532,098.60, 798,145.80 and 158,121.60 is: 237,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,098.60 : 798,145.80 = 158,121.60 : x
  2. Step 2: Convert to fraction form
    532,098.60/798,145.80 = 158,121.60/x
  3. Step 3: Cross multiply
    532,098.60x = 798,145.80 × 158,121.60
  4. Step 4: Simplify right side
    532,098.60x = 126,204,090,929.28
  5. Step 5: Solve for x
    x = 126,204,090,929.28/532,098.60
  6. Step 6: Final answer
    x = 237,181.78

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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.