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Finding the Fourth Proportional to 159,832.76, 239,856.02 and 66,338.52

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Solution

The fourth proportional to 159,832.76, 239,856.02 and 66,338.52 is: 99,552.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,832.76 : 239,856.02 = 66,338.52 : x
  2. Step 2: Convert to fraction form
    159,832.76/239,856.02 = 66,338.52/x
  3. Step 3: Cross multiply
    159,832.76x = 239,856.02 × 66,338.52
  4. Step 4: Simplify right side
    159,832.76x = 15,911,693,379.89
  5. Step 5: Solve for x
    x = 15,911,693,379.89/159,832.76
  6. Step 6: Final answer
    x = 99,552.14

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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.