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Finding the Fourth Proportional to 119,314.80, 179,005.59 and 40,434.96

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Solution

The fourth proportional to 119,314.80, 179,005.59 and 40,434.96 is: 60,663.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,314.80 : 179,005.59 = 40,434.96 : x
  2. Step 2: Convert to fraction form
    119,314.80/179,005.59 = 40,434.96/x
  3. Step 3: Cross multiply
    119,314.80x = 179,005.59 × 40,434.96
  4. Step 4: Simplify right side
    119,314.80x = 7,238,083,871.43
  5. Step 5: Solve for x
    x = 7,238,083,871.43/119,314.80
  6. Step 6: Final answer
    x = 60,663.76

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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.