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Finding the Fourth Proportional to 80,350.88, 110,834.19 and 51,707.93

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Solution

The fourth proportional to 80,350.88, 110,834.19 and 51,707.93 is: 71,324.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,350.88 : 110,834.19 = 51,707.93 : x
  2. Step 2: Convert to fraction form
    80,350.88/110,834.19 = 51,707.93/x
  3. Step 3: Cross multiply
    80,350.88x = 110,834.19 × 51,707.93
  4. Step 4: Simplify right side
    80,350.88x = 5,731,005,983.96
  5. Step 5: Solve for x
    x = 5,731,005,983.96/80,350.88
  6. Step 6: Final answer
    x = 71,324.75

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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.