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Finding the Fourth Proportional to 532,092.60, 798,136.80 and 158,115.60

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Solution

The fourth proportional to 532,092.60, 798,136.80 and 158,115.60 is: 237,172.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,092.60 : 798,136.80 = 158,115.60 : x
  2. Step 2: Convert to fraction form
    532,092.60/798,136.80 = 158,115.60/x
  3. Step 3: Cross multiply
    532,092.60x = 798,136.80 × 158,115.60
  4. Step 4: Simplify right side
    532,092.60x = 126,197,879,014.08
  5. Step 5: Solve for x
    x = 126,197,879,014.08/532,092.60
  6. Step 6: Final answer
    x = 237,172.78

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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.