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Finding the Fourth Proportional to 224,320.32, 336,481.20 and 66,549.96

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Solution

The fourth proportional to 224,320.32, 336,481.20 and 66,549.96 is: 99,825.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,320.32 : 336,481.20 = 66,549.96 : x
  2. Step 2: Convert to fraction form
    224,320.32/336,481.20 = 66,549.96/x
  3. Step 3: Cross multiply
    224,320.32x = 336,481.20 × 66,549.96
  4. Step 4: Simplify right side
    224,320.32x = 22,392,810,400.75
  5. Step 5: Solve for x
    x = 22,392,810,400.75/224,320.32
  6. Step 6: Final answer
    x = 99,825.15

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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.