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Finding the Fourth Proportional to 250,607.86, 375,981.15 and 115,713.20

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Solution

The fourth proportional to 250,607.86, 375,981.15 and 115,713.20 is: 173,601.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,607.86 : 375,981.15 = 115,713.20 : x
  2. Step 2: Convert to fraction form
    250,607.86/375,981.15 = 115,713.20/x
  3. Step 3: Cross multiply
    250,607.86x = 375,981.15 × 115,713.20
  4. Step 4: Simplify right side
    250,607.86x = 43,505,983,380.06
  5. Step 5: Solve for x
    x = 43,505,983,380.06/250,607.86
  6. Step 6: Final answer
    x = 173,601.83

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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.