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Finding the Fourth Proportional to 83,952.66, 115,850.93 and 45,712.20

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Solution

The fourth proportional to 83,952.66, 115,850.93 and 45,712.20 is: 63,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,952.66 : 115,850.93 = 45,712.20 : x
  2. Step 2: Convert to fraction form
    83,952.66/115,850.93 = 45,712.20/x
  3. Step 3: Cross multiply
    83,952.66x = 115,850.93 × 45,712.20
  4. Step 4: Simplify right side
    83,952.66x = 5,295,800,882.35
  5. Step 5: Solve for x
    x = 5,295,800,882.35/83,952.66
  6. Step 6: Final answer
    x = 63,080.80

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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.