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Finding the Fourth Proportional to 217,102.32, 325,092.64 and 149,841.92

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Solution

The fourth proportional to 217,102.32, 325,092.64 and 149,841.92 is: 224,375.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,102.32 : 325,092.64 = 149,841.92 : x
  2. Step 2: Convert to fraction form
    217,102.32/325,092.64 = 149,841.92/x
  3. Step 3: Cross multiply
    217,102.32x = 325,092.64 × 149,841.92
  4. Step 4: Simplify right side
    217,102.32x = 48,712,505,355.47
  5. Step 5: Solve for x
    x = 48,712,505,355.47/217,102.32
  6. Step 6: Final answer
    x = 224,375.79

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1.5x scale

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.