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Finding the Fourth Proportional to 83,854.20, 125,927.10 and 44,488.20

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Solution

The fourth proportional to 83,854.20, 125,927.10 and 44,488.20 is: 66,809.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,854.20 : 125,927.10 = 44,488.20 : x
  2. Step 2: Convert to fraction form
    83,854.20/125,927.10 = 44,488.20/x
  3. Step 3: Cross multiply
    83,854.20x = 125,927.10 × 44,488.20
  4. Step 4: Simplify right side
    83,854.20x = 5,602,270,010.22
  5. Step 5: Solve for x
    x = 5,602,270,010.22/83,854.20
  6. Step 6: Final answer
    x = 66,809.65

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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.