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Finding the Fourth Proportional to 159,062.80, 238,031.52 and 116,842.72

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Solution

The fourth proportional to 159,062.80, 238,031.52 and 116,842.72 is: 174,850.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,062.80 : 238,031.52 = 116,842.72 : x
  2. Step 2: Convert to fraction form
    159,062.80/238,031.52 = 116,842.72/x
  3. Step 3: Cross multiply
    159,062.80x = 238,031.52 × 116,842.72
  4. Step 4: Simplify right side
    159,062.80x = 27,812,250,242.53
  5. Step 5: Solve for x
    x = 27,812,250,242.53/159,062.80
  6. Step 6: Final answer
    x = 174,850.75

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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.