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Finding the Fourth Proportional to 224,475.77, 336,615.12 and 84,135.98

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Solution

The fourth proportional to 224,475.77, 336,615.12 and 84,135.98 is: 126,167.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,475.77 : 336,615.12 = 84,135.98 : x
  2. Step 2: Convert to fraction form
    224,475.77/336,615.12 = 84,135.98/x
  3. Step 3: Cross multiply
    224,475.77x = 336,615.12 × 84,135.98
  4. Step 4: Simplify right side
    224,475.77x = 28,321,443,004.02
  5. Step 5: Solve for x
    x = 28,321,443,004.02/224,475.77
  6. Step 6: Final answer
    x = 126,167.04

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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.