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Finding the Fourth Proportional to 83,952.06, 115,850.16 and 45,711.69

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Solution

The fourth proportional to 83,952.06, 115,850.16 and 45,711.69 is: 63,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,952.06 : 115,850.16 = 45,711.69 : x
  2. Step 2: Convert to fraction form
    83,952.06/115,850.16 = 45,711.69/x
  3. Step 3: Cross multiply
    83,952.06x = 115,850.16 × 45,711.69
  4. Step 4: Simplify right side
    83,952.06x = 5,295,706,600.37
  5. Step 5: Solve for x
    x = 5,295,706,600.37/83,952.06
  6. Step 6: Final answer
    x = 63,080.13

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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.