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Finding the Fourth Proportional to 75,920.80, 113,883.90 and 23,330.20

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Solution

The fourth proportional to 75,920.80, 113,883.90 and 23,330.20 is: 34,996.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,920.80 : 113,883.90 = 23,330.20 : x
  2. Step 2: Convert to fraction form
    75,920.80/113,883.90 = 23,330.20/x
  3. Step 3: Cross multiply
    75,920.80x = 113,883.90 × 23,330.20
  4. Step 4: Simplify right side
    75,920.80x = 2,656,934,163.78
  5. Step 5: Solve for x
    x = 2,656,934,163.78/75,920.80
  6. Step 6: Final answer
    x = 34,996.13

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1.5x scale

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.