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Finding the Fourth Proportional to 80,218.40, 110,702.76 and 43,923.04

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Solution

The fourth proportional to 80,218.40, 110,702.76 and 43,923.04 is: 60,614.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,218.40 : 110,702.76 = 43,923.04 : x
  2. Step 2: Convert to fraction form
    80,218.40/110,702.76 = 43,923.04/x
  3. Step 3: Cross multiply
    80,218.40x = 110,702.76 × 43,923.04
  4. Step 4: Simplify right side
    80,218.40x = 4,862,401,755.59
  5. Step 5: Solve for x
    x = 4,862,401,755.59/80,218.40
  6. Step 6: Final answer
    x = 60,614.54

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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.