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Finding the Fourth Proportional to 250,873.72, 376,337.30 and 73,381.66

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Solution

The fourth proportional to 250,873.72, 376,337.30 and 73,381.66 is: 110,080.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,873.72 : 376,337.30 = 73,381.66 : x
  2. Step 2: Convert to fraction form
    250,873.72/376,337.30 = 73,381.66/x
  3. Step 3: Cross multiply
    250,873.72x = 376,337.30 × 73,381.66
  4. Step 4: Simplify right side
    250,873.72x = 27,616,255,793.92
  5. Step 5: Solve for x
    x = 27,616,255,793.92/250,873.72
  6. Step 6: Final answer
    x = 110,080.31

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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.