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Finding the Fourth Proportional to 83,674.16, 115,470.48 and 45,950.80

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Solution

The fourth proportional to 83,674.16, 115,470.48 and 45,950.80 is: 63,412.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,674.16 : 115,470.48 = 45,950.80 : x
  2. Step 2: Convert to fraction form
    83,674.16/115,470.48 = 45,950.80/x
  3. Step 3: Cross multiply
    83,674.16x = 115,470.48 × 45,950.80
  4. Step 4: Simplify right side
    83,674.16x = 5,305,960,932.38
  5. Step 5: Solve for x
    x = 5,305,960,932.38/83,674.16
  6. Step 6: Final answer
    x = 63,412.18

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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.