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Finding the Fourth Proportional to 73,247.64, 109,832.56 and 49,880.76

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Solution

The fourth proportional to 73,247.64, 109,832.56 and 49,880.76 is: 74,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,247.64 : 109,832.56 = 49,880.76 : x
  2. Step 2: Convert to fraction form
    73,247.64/109,832.56 = 49,880.76/x
  3. Step 3: Cross multiply
    73,247.64x = 109,832.56 × 49,880.76
  4. Step 4: Simplify right side
    73,247.64x = 5,478,531,565.55
  5. Step 5: Solve for x
    x = 5,478,531,565.55/73,247.64
  6. Step 6: Final answer
    x = 74,794.65

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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.