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Finding the Fourth Proportional to 325,204.16, 487,756.90 and 88,565.44

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Solution

The fourth proportional to 325,204.16, 487,756.90 and 88,565.44 is: 132,834.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,204.16 : 487,756.90 = 88,565.44 : x
  2. Step 2: Convert to fraction form
    325,204.16/487,756.90 = 88,565.44/x
  3. Step 3: Cross multiply
    325,204.16x = 487,756.90 × 88,565.44
  4. Step 4: Simplify right side
    325,204.16x = 43,198,404,461.54
  5. Step 5: Solve for x
    x = 43,198,404,461.54/325,204.16
  6. Step 6: Final answer
    x = 132,834.72

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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.