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Finding the Fourth Proportional to 159,174.32, 238,764.11 and 127,437.30

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Solution

The fourth proportional to 159,174.32, 238,764.11 and 127,437.30 is: 191,158.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,174.32 : 238,764.11 = 127,437.30 : x
  2. Step 2: Convert to fraction form
    159,174.32/238,764.11 = 127,437.30/x
  3. Step 3: Cross multiply
    159,174.32x = 238,764.11 × 127,437.30
  4. Step 4: Simplify right side
    159,174.32x = 30,427,452,878.12
  5. Step 5: Solve for x
    x = 30,427,452,878.12/159,174.32
  6. Step 6: Final answer
    x = 191,158.06

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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.