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Finding the Fourth Proportional to 224,565.30, 336,679.47 and 135,800.64

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Solution

The fourth proportional to 224,565.30, 336,679.47 and 135,800.64 is: 203,599.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,565.30 : 336,679.47 = 135,800.64 : x
  2. Step 2: Convert to fraction form
    224,565.30/336,679.47 = 135,800.64/x
  3. Step 3: Cross multiply
    224,565.30x = 336,679.47 × 135,800.64
  4. Step 4: Simplify right side
    224,565.30x = 45,721,287,500.86
  5. Step 5: Solve for x
    x = 45,721,287,500.86/224,565.30
  6. Step 6: Final answer
    x = 203,599.08

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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.