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Finding the Fourth Proportional to 83,375.50, 115,059.28 and 45,648.94

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Solution

The fourth proportional to 83,375.50, 115,059.28 and 45,648.94 is: 62,996.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,375.50 : 115,059.28 = 45,648.94 : x
  2. Step 2: Convert to fraction form
    83,375.50/115,059.28 = 45,648.94/x
  3. Step 3: Cross multiply
    83,375.50x = 115,059.28 × 45,648.94
  4. Step 4: Simplify right side
    83,375.50x = 5,252,334,169.16
  5. Step 5: Solve for x
    x = 5,252,334,169.16/83,375.50
  6. Step 6: Final answer
    x = 62,996.13

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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.