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Finding the Fourth Proportional to 224,257.88, 336,329.52 and 66,449.43

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Solution

The fourth proportional to 224,257.88, 336,329.52 and 66,449.43 is: 99,657.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,257.88 : 336,329.52 = 66,449.43 : x
  2. Step 2: Convert to fraction form
    224,257.88/336,329.52 = 66,449.43/x
  3. Step 3: Cross multiply
    224,257.88x = 336,329.52 × 66,449.43
  4. Step 4: Simplify right side
    224,257.88x = 22,348,904,646.99
  5. Step 5: Solve for x
    x = 22,348,904,646.99/224,257.88
  6. Step 6: Final answer
    x = 99,657.16

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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.