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Finding the Fourth Proportional to 159,900.32, 239,850.12 and 65,169.92

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Solution

The fourth proportional to 159,900.32, 239,850.12 and 65,169.92 is: 97,754.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,900.32 : 239,850.12 = 65,169.92 : x
  2. Step 2: Convert to fraction form
    159,900.32/239,850.12 = 65,169.92/x
  3. Step 3: Cross multiply
    159,900.32x = 239,850.12 × 65,169.92
  4. Step 4: Simplify right side
    159,900.32x = 15,631,013,132.39
  5. Step 5: Solve for x
    x = 15,631,013,132.39/159,900.32
  6. Step 6: Final answer
    x = 97,754.73

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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.