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Finding the Fourth Proportional to 224,641.64, 336,961.10 and 56,161.16

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Solution

The fourth proportional to 224,641.64, 336,961.10 and 56,161.16 is: 84,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,641.64 : 336,961.10 = 56,161.16 : x
  2. Step 2: Convert to fraction form
    224,641.64/336,961.10 = 56,161.16/x
  3. Step 3: Cross multiply
    224,641.64x = 336,961.10 × 56,161.16
  4. Step 4: Simplify right side
    224,641.64x = 18,924,126,250.88
  5. Step 5: Solve for x
    x = 18,924,126,250.88/224,641.64
  6. Step 6: Final answer
    x = 84,241.40

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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.