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Finding the Fourth Proportional to 325,174.64, 487,712.70 and 88,535.96

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Solution

The fourth proportional to 325,174.64, 487,712.70 and 88,535.96 is: 132,790.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,174.64 : 487,712.70 = 88,535.96 : x
  2. Step 2: Convert to fraction form
    325,174.64/487,712.70 = 88,535.96/x
  3. Step 3: Cross multiply
    325,174.64x = 487,712.70 × 88,535.96
  4. Step 4: Simplify right side
    325,174.64x = 43,180,112,098.69
  5. Step 5: Solve for x
    x = 43,180,112,098.69/325,174.64
  6. Step 6: Final answer
    x = 132,790.53

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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.