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Finding the Fourth Proportional to 158,741.20, 238,064.28 and 63,940.96

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Solution

The fourth proportional to 158,741.20, 238,064.28 and 63,940.96 is: 95,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,741.20 : 238,064.28 = 63,940.96 : x
  2. Step 2: Convert to fraction form
    158,741.20/238,064.28 = 63,940.96/x
  3. Step 3: Cross multiply
    158,741.20x = 238,064.28 × 63,940.96
  4. Step 4: Simplify right side
    158,741.20x = 15,222,058,604.91
  5. Step 5: Solve for x
    x = 15,222,058,604.91/158,741.20
  6. Step 6: Final answer
    x = 95,892.30

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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.