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Finding the Fourth Proportional to 324,807.85, 487,212.02 and 88,150.53

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Solution

The fourth proportional to 324,807.85, 487,212.02 and 88,150.53 is: 132,225.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,807.85 : 487,212.02 = 88,150.53 : x
  2. Step 2: Convert to fraction form
    324,807.85/487,212.02 = 88,150.53/x
  3. Step 3: Cross multiply
    324,807.85x = 487,212.02 × 88,150.53
  4. Step 4: Simplify right side
    324,807.85x = 42,947,998,005.75
  5. Step 5: Solve for x
    x = 42,947,998,005.75/324,807.85
  6. Step 6: Final answer
    x = 132,225.86

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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.