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Finding the Fourth Proportional to 73,591.32, 110,047.86 and 54,651.72

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Solution

The fourth proportional to 73,591.32, 110,047.86 and 54,651.72 is: 81,725.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,591.32 : 110,047.86 = 54,651.72 : x
  2. Step 2: Convert to fraction form
    73,591.32/110,047.86 = 54,651.72/x
  3. Step 3: Cross multiply
    73,591.32x = 110,047.86 × 54,651.72
  4. Step 4: Simplify right side
    73,591.32x = 6,014,304,831.32
  5. Step 5: Solve for x
    x = 6,014,304,831.32/73,591.32
  6. Step 6: Final answer
    x = 81,725.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.