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Finding the Fourth Proportional to 119,866.50, 179,752.97 and 44,945.77

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Solution

The fourth proportional to 119,866.50, 179,752.97 and 44,945.77 is: 67,401.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,866.50 : 179,752.97 = 44,945.77 : x
  2. Step 2: Convert to fraction form
    119,866.50/179,752.97 = 44,945.77/x
  3. Step 3: Cross multiply
    119,866.50x = 179,752.97 × 44,945.77
  4. Step 4: Simplify right side
    119,866.50x = 8,079,135,421.71
  5. Step 5: Solve for x
    x = 8,079,135,421.71/119,866.50
  6. Step 6: Final answer
    x = 67,401.12

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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.