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Finding the Fourth Proportional to 119,794.86, 179,717.08 and 48,717.50

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Solution

The fourth proportional to 119,794.86, 179,717.08 and 48,717.50 is: 73,086.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,794.86 : 179,717.08 = 48,717.50 : x
  2. Step 2: Convert to fraction form
    119,794.86/179,717.08 = 48,717.50/x
  3. Step 3: Cross multiply
    119,794.86x = 179,717.08 × 48,717.50
  4. Step 4: Simplify right side
    119,794.86x = 8,755,366,844.90
  5. Step 5: Solve for x
    x = 8,755,366,844.90/119,794.86
  6. Step 6: Final answer
    x = 73,086.33

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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.