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Finding the Fourth Proportional to 80,267.68, 110,781.84 and 45,812.44

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Solution

The fourth proportional to 80,267.68, 110,781.84 and 45,812.44 is: 63,228.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,267.68 : 110,781.84 = 45,812.44 : x
  2. Step 2: Convert to fraction form
    80,267.68/110,781.84 = 45,812.44/x
  3. Step 3: Cross multiply
    80,267.68x = 110,781.84 × 45,812.44
  4. Step 4: Simplify right side
    80,267.68x = 5,075,186,398.09
  5. Step 5: Solve for x
    x = 5,075,186,398.09/80,267.68
  6. Step 6: Final answer
    x = 63,228.27

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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.