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Finding the Fourth Proportional to 60,546.80, 90,731.10 and 43,941.80

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Solution

The fourth proportional to 60,546.80, 90,731.10 and 43,941.80 is: 65,848.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,546.80 : 90,731.10 = 43,941.80 : x
  2. Step 2: Convert to fraction form
    60,546.80/90,731.10 = 43,941.80/x
  3. Step 3: Cross multiply
    60,546.80x = 90,731.10 × 43,941.80
  4. Step 4: Simplify right side
    60,546.80x = 3,986,887,849.98
  5. Step 5: Solve for x
    x = 3,986,887,849.98/60,546.80
  6. Step 6: Final answer
    x = 65,848.04

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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.