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Finding the Fourth Proportional to 159,607.38, 239,326.80 and 70,822.20

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Solution

The fourth proportional to 159,607.38, 239,326.80 and 70,822.20 is: 106,195.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,607.38 : 239,326.80 = 70,822.20 : x
  2. Step 2: Convert to fraction form
    159,607.38/239,326.80 = 70,822.20/x
  3. Step 3: Cross multiply
    159,607.38x = 239,326.80 × 70,822.20
  4. Step 4: Simplify right side
    159,607.38x = 16,949,650,494.96
  5. Step 5: Solve for x
    x = 16,949,650,494.96/159,607.38
  6. Step 6: Final answer
    x = 106,195.91

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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.