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Finding the Fourth Proportional to 73,908.46, 110,873.63 and 27,157.69

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Solution

The fourth proportional to 73,908.46, 110,873.63 and 27,157.69 is: 40,740.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,908.46 : 110,873.63 = 27,157.69 : x
  2. Step 2: Convert to fraction form
    73,908.46/110,873.63 = 27,157.69/x
  3. Step 3: Cross multiply
    73,908.46x = 110,873.63 × 27,157.69
  4. Step 4: Simplify right side
    73,908.46x = 3,011,071,672.71
  5. Step 5: Solve for x
    x = 3,011,071,672.71/73,908.46
  6. Step 6: Final answer
    x = 40,740.55

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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.