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Finding the Fourth Proportional to 80,191.70, 110,669.68 and 46,199.57

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Solution

The fourth proportional to 80,191.70, 110,669.68 and 46,199.57 is: 63,758.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,191.70 : 110,669.68 = 46,199.57 : x
  2. Step 2: Convert to fraction form
    80,191.70/110,669.68 = 46,199.57/x
  3. Step 3: Cross multiply
    80,191.70x = 110,669.68 × 46,199.57
  4. Step 4: Simplify right side
    80,191.70x = 5,112,891,132.44
  5. Step 5: Solve for x
    x = 5,112,891,132.44/80,191.70
  6. Step 6: Final answer
    x = 63,758.36

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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.