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Finding the Fourth Proportional to 224,314.32, 336,468.24 and 66,649.44

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Solution

The fourth proportional to 224,314.32, 336,468.24 and 66,649.44 is: 99,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,314.32 : 336,468.24 = 66,649.44 : x
  2. Step 2: Convert to fraction form
    224,314.32/336,468.24 = 66,649.44/x
  3. Step 3: Cross multiply
    224,314.32x = 336,468.24 × 66,649.44
  4. Step 4: Simplify right side
    224,314.32x = 22,425,419,773.79
  5. Step 5: Solve for x
    x = 22,425,419,773.79/224,314.32
  6. Step 6: Final answer
    x = 99,973.20

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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.