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Finding the Fourth Proportional to 65,265.68, 90,061.04 and 36,194.88

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Solution

The fourth proportional to 65,265.68, 90,061.04 and 36,194.88 is: 49,945.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,265.68 : 90,061.04 = 36,194.88 : x
  2. Step 2: Convert to fraction form
    65,265.68/90,061.04 = 36,194.88/x
  3. Step 3: Cross multiply
    65,265.68x = 90,061.04 × 36,194.88
  4. Step 4: Simplify right side
    65,265.68x = 3,259,748,535.48
  5. Step 5: Solve for x
    x = 3,259,748,535.48/65,265.68
  6. Step 6: Final answer
    x = 49,945.83

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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.