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Finding the Fourth Proportional to 224,426.50, 336,695.13 and 66,654.77

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Solution

The fourth proportional to 224,426.50, 336,695.13 and 66,654.77 is: 99,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,426.50 : 336,695.13 = 66,654.77 : x
  2. Step 2: Convert to fraction form
    224,426.50/336,695.13 = 66,654.77/x
  3. Step 3: Cross multiply
    224,426.50x = 336,695.13 × 66,654.77
  4. Step 4: Simplify right side
    224,426.50x = 22,442,334,766.79
  5. Step 5: Solve for x
    x = 22,442,334,766.79/224,426.50
  6. Step 6: Final answer
    x = 99,998.60

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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.