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Finding the Fourth Proportional to 83,246.67, 114,845.58 and 54,573.21

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Solution

The fourth proportional to 83,246.67, 114,845.58 and 54,573.21 is: 75,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,246.67 : 114,845.58 = 54,573.21 : x
  2. Step 2: Convert to fraction form
    83,246.67/114,845.58 = 54,573.21/x
  3. Step 3: Cross multiply
    83,246.67x = 114,845.58 × 54,573.21
  4. Step 4: Simplify right side
    83,246.67x = 6,267,491,954.91
  5. Step 5: Solve for x
    x = 6,267,491,954.91/83,246.67
  6. Step 6: Final answer
    x = 75,288.20

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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.