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Finding the Fourth Proportional to 68,127.12, 102,224.70 and 44,480.88

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Solution

The fourth proportional to 68,127.12, 102,224.70 and 44,480.88 is: 66,743.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,127.12 : 102,224.70 = 44,480.88 : x
  2. Step 2: Convert to fraction form
    68,127.12/102,224.70 = 44,480.88/x
  3. Step 3: Cross multiply
    68,127.12x = 102,224.70 × 44,480.88
  4. Step 4: Simplify right side
    68,127.12x = 4,547,044,613.74
  5. Step 5: Solve for x
    x = 4,547,044,613.74/68,127.12
  6. Step 6: Final answer
    x = 66,743.53

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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.