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Finding the Fourth Proportional to 159,254.88, 238,357.28 and 88,068

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Solution

The fourth proportional to 159,254.88, 238,357.28 and 88,068 is: 131,811.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,254.88 : 238,357.28 = 88,068 : x
  2. Step 2: Convert to fraction form
    159,254.88/238,357.28 = 88,068/x
  3. Step 3: Cross multiply
    159,254.88x = 238,357.28 × 88,068
  4. Step 4: Simplify right side
    159,254.88x = 20,991,648,935.04
  5. Step 5: Solve for x
    x = 20,991,648,935.04/159,254.88
  6. Step 6: Final answer
    x = 131,811.65

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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.