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Finding the Fourth Proportional to 224,456.80, 336,733.80 and 66,701.20

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Solution

The fourth proportional to 224,456.80, 336,733.80 and 66,701.20 is: 100,066.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,456.80 : 336,733.80 = 66,701.20 : x
  2. Step 2: Convert to fraction form
    224,456.80/336,733.80 = 66,701.20/x
  3. Step 3: Cross multiply
    224,456.80x = 336,733.80 × 66,701.20
  4. Step 4: Simplify right side
    224,456.80x = 22,460,548,540.56
  5. Step 5: Solve for x
    x = 22,460,548,540.56/224,456.80
  6. Step 6: Final answer
    x = 100,066.24

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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.