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Finding the Fourth Proportional to 66,934.66, 100,385.19 and 27,502.66

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Solution

The fourth proportional to 66,934.66, 100,385.19 and 27,502.66 is: 41,247.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,934.66 : 100,385.19 = 27,502.66 : x
  2. Step 2: Convert to fraction form
    66,934.66/100,385.19 = 27,502.66/x
  3. Step 3: Cross multiply
    66,934.66x = 100,385.19 × 27,502.66
  4. Step 4: Simplify right side
    66,934.66x = 2,760,859,749.61
  5. Step 5: Solve for x
    x = 2,760,859,749.61/66,934.66
  6. Step 6: Final answer
    x = 41,247.09

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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.