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Finding the Fourth Proportional to 119,811.78, 179,665.18 and 44,879.34

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Solution

The fourth proportional to 119,811.78, 179,665.18 and 44,879.34 is: 67,299.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,811.78 : 179,665.18 = 44,879.34 : x
  2. Step 2: Convert to fraction form
    119,811.78/179,665.18 = 44,879.34/x
  3. Step 3: Cross multiply
    119,811.78x = 179,665.18 × 44,879.34
  4. Step 4: Simplify right side
    119,811.78x = 8,063,254,699.38
  5. Step 5: Solve for x
    x = 8,063,254,699.38/119,811.78
  6. Step 6: Final answer
    x = 67,299.35

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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.