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Finding the Fourth Proportional to 158,404.60, 237,275.70 and 74,236.60

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Solution

The fourth proportional to 158,404.60, 237,275.70 and 74,236.60 is: 111,199.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,404.60 : 237,275.70 = 74,236.60 : x
  2. Step 2: Convert to fraction form
    158,404.60/237,275.70 = 74,236.60/x
  3. Step 3: Cross multiply
    158,404.60x = 237,275.70 × 74,236.60
  4. Step 4: Simplify right side
    158,404.60x = 17,614,541,230.62
  5. Step 5: Solve for x
    x = 17,614,541,230.62/158,404.60
  6. Step 6: Final answer
    x = 111,199.68

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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.