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Finding the Fourth Proportional to 89,194.88, 123,024.48 and 75,744.92

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Solution

The fourth proportional to 89,194.88, 123,024.48 and 75,744.92 is: 104,473.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,194.88 : 123,024.48 = 75,744.92 : x
  2. Step 2: Convert to fraction form
    89,194.88/123,024.48 = 75,744.92/x
  3. Step 3: Cross multiply
    89,194.88x = 123,024.48 × 75,744.92
  4. Step 4: Simplify right side
    89,194.88x = 9,318,479,395.64
  5. Step 5: Solve for x
    x = 9,318,479,395.64/89,194.88
  6. Step 6: Final answer
    x = 104,473.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.