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Finding the Fourth Proportional to 83,462.88, 115,179.12 and 45,737.76

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Solution

The fourth proportional to 83,462.88, 115,179.12 and 45,737.76 is: 63,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,462.88 : 115,179.12 = 45,737.76 : x
  2. Step 2: Convert to fraction form
    83,462.88/115,179.12 = 45,737.76/x
  3. Step 3: Cross multiply
    83,462.88x = 115,179.12 × 45,737.76
  4. Step 4: Simplify right side
    83,462.88x = 5,268,034,947.57
  5. Step 5: Solve for x
    x = 5,268,034,947.57/83,462.88
  6. Step 6: Final answer
    x = 63,118.30

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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.