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Finding the Fourth Proportional to 80,218.49, 110,713.19 and 46,220.41

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Solution

The fourth proportional to 80,218.49, 110,713.19 and 46,220.41 is: 63,790.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,218.49 : 110,713.19 = 46,220.41 : x
  2. Step 2: Convert to fraction form
    80,218.49/110,713.19 = 46,220.41/x
  3. Step 3: Cross multiply
    80,218.49x = 110,713.19 × 46,220.41
  4. Step 4: Simplify right side
    80,218.49x = 5,117,209,034.21
  5. Step 5: Solve for x
    x = 5,117,209,034.21/80,218.49
  6. Step 6: Final answer
    x = 63,790.89

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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.