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Finding the Fourth Proportional to 83,884.29, 115,765.11 and 48,080.27

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Solution

The fourth proportional to 83,884.29, 115,765.11 and 48,080.27 is: 66,353.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,884.29 : 115,765.11 = 48,080.27 : x
  2. Step 2: Convert to fraction form
    83,884.29/115,765.11 = 48,080.27/x
  3. Step 3: Cross multiply
    83,884.29x = 115,765.11 × 48,080.27
  4. Step 4: Simplify right side
    83,884.29x = 5,566,017,166.55
  5. Step 5: Solve for x
    x = 5,566,017,166.55/83,884.29
  6. Step 6: Final answer
    x = 66,353.51

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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.