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Finding the Fourth Proportional to 159,794.60, 239,499.90 and 66,252.20

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Solution

The fourth proportional to 159,794.60, 239,499.90 and 66,252.20 is: 99,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,794.60 : 239,499.90 = 66,252.20 : x
  2. Step 2: Convert to fraction form
    159,794.60/239,499.90 = 66,252.20/x
  3. Step 3: Cross multiply
    159,794.60x = 239,499.90 × 66,252.20
  4. Step 4: Simplify right side
    159,794.60x = 15,867,395,274.78
  5. Step 5: Solve for x
    x = 15,867,395,274.78/159,794.60
  6. Step 6: Final answer
    x = 99,298.70

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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.