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Finding the Fourth Proportional to 67,748.88, 101,586.67 and 53,798.66

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Solution

The fourth proportional to 67,748.88, 101,586.67 and 53,798.66 is: 80,668.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,748.88 : 101,586.67 = 53,798.66 : x
  2. Step 2: Convert to fraction form
    67,748.88/101,586.67 = 53,798.66/x
  3. Step 3: Cross multiply
    67,748.88x = 101,586.67 × 53,798.66
  4. Step 4: Simplify right side
    67,748.88x = 5,465,226,077.43
  5. Step 5: Solve for x
    x = 5,465,226,077.43/67,748.88
  6. Step 6: Final answer
    x = 80,668.88

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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.