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Finding the Fourth Proportional to 159,342.88, 239,017.20 and 48,532

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Solution

The fourth proportional to 159,342.88, 239,017.20 and 48,532 is: 72,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,342.88 : 239,017.20 = 48,532 : x
  2. Step 2: Convert to fraction form
    159,342.88/239,017.20 = 48,532/x
  3. Step 3: Cross multiply
    159,342.88x = 239,017.20 × 48,532
  4. Step 4: Simplify right side
    159,342.88x = 11,599,982,750.40
  5. Step 5: Solve for x
    x = 11,599,982,750.40/159,342.88
  6. Step 6: Final answer
    x = 72,798.88

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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.