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Finding the Fourth Proportional to 83,016.48, 124,480.80 and 36,214.56

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Solution

The fourth proportional to 83,016.48, 124,480.80 and 36,214.56 is: 54,302.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,016.48 : 124,480.80 = 36,214.56 : x
  2. Step 2: Convert to fraction form
    83,016.48/124,480.80 = 36,214.56/x
  3. Step 3: Cross multiply
    83,016.48x = 124,480.80 × 36,214.56
  4. Step 4: Simplify right side
    83,016.48x = 4,508,017,400.45
  5. Step 5: Solve for x
    x = 4,508,017,400.45/83,016.48
  6. Step 6: Final answer
    x = 54,302.68

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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.