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Finding the Fourth Proportional to 80,565.36, 111,180.32 and 44,754.40

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Solution

The fourth proportional to 80,565.36, 111,180.32 and 44,754.40 is: 61,761.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,565.36 : 111,180.32 = 44,754.40 : x
  2. Step 2: Convert to fraction form
    80,565.36/111,180.32 = 44,754.40/x
  3. Step 3: Cross multiply
    80,565.36x = 111,180.32 × 44,754.40
  4. Step 4: Simplify right side
    80,565.36x = 4,975,808,513.41
  5. Step 5: Solve for x
    x = 4,975,808,513.41/80,565.36
  6. Step 6: Final answer
    x = 61,761.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.