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Finding the Fourth Proportional to 91,687.52, 137,559.10 and 44,303.88

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Solution

The fourth proportional to 91,687.52, 137,559.10 and 44,303.88 is: 66,469.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,687.52 : 137,559.10 = 44,303.88 : x
  2. Step 2: Convert to fraction form
    91,687.52/137,559.10 = 44,303.88/x
  3. Step 3: Cross multiply
    91,687.52x = 137,559.10 × 44,303.88
  4. Step 4: Simplify right side
    91,687.52x = 6,094,401,859.31
  5. Step 5: Solve for x
    x = 6,094,401,859.31/91,687.52
  6. Step 6: Final answer
    x = 66,469.26

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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.