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Finding the Fourth Proportional to 159,344.88, 239,020.20 and 48,534

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Solution

The fourth proportional to 159,344.88, 239,020.20 and 48,534 is: 72,801.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,344.88 : 239,020.20 = 48,534 : x
  2. Step 2: Convert to fraction form
    159,344.88/239,020.20 = 48,534/x
  3. Step 3: Cross multiply
    159,344.88x = 239,020.20 × 48,534
  4. Step 4: Simplify right side
    159,344.88x = 11,600,606,386.80
  5. Step 5: Solve for x
    x = 11,600,606,386.80/159,344.88
  6. Step 6: Final answer
    x = 72,801.88

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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.