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Finding the Fourth Proportional to 80,287.13, 110,787.29 and 44,468.17

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Solution

The fourth proportional to 80,287.13, 110,787.29 and 44,468.17 is: 61,361.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,287.13 : 110,787.29 = 44,468.17 : x
  2. Step 2: Convert to fraction form
    80,287.13/110,787.29 = 44,468.17/x
  3. Step 3: Cross multiply
    80,287.13x = 110,787.29 × 44,468.17
  4. Step 4: Simplify right side
    80,287.13x = 4,926,507,796.38
  5. Step 5: Solve for x
    x = 4,926,507,796.38/80,287.13
  6. Step 6: Final answer
    x = 61,361.12

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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.