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Finding the Fourth Proportional to 83,338.76, 125,008.70 and 34,090.76

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Solution

The fourth proportional to 83,338.76, 125,008.70 and 34,090.76 is: 51,136.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,338.76 : 125,008.70 = 34,090.76 : x
  2. Step 2: Convert to fraction form
    83,338.76/125,008.70 = 34,090.76/x
  3. Step 3: Cross multiply
    83,338.76x = 125,008.70 × 34,090.76
  4. Step 4: Simplify right side
    83,338.76x = 4,261,641,589.61
  5. Step 5: Solve for x
    x = 4,261,641,589.61/83,338.76
  6. Step 6: Final answer
    x = 51,136.37

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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.