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Finding the Fourth Proportional to 581,231.68, 871,863.88 and 160,507.56

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Solution

The fourth proportional to 581,231.68, 871,863.88 and 160,507.56 is: 240,765.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,231.68 : 871,863.88 = 160,507.56 : x
  2. Step 2: Convert to fraction form
    581,231.68/871,863.88 = 160,507.56/x
  3. Step 3: Cross multiply
    581,231.68x = 871,863.88 × 160,507.56
  4. Step 4: Simplify right side
    581,231.68x = 139,940,744,030.93
  5. Step 5: Solve for x
    x = 139,940,744,030.93/581,231.68
  6. Step 6: Final answer
    x = 240,765.86

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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.