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Finding the Fourth Proportional to 119,660.98, 179,512.82 and 39,703.74

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Solution

The fourth proportional to 119,660.98, 179,512.82 and 39,703.74 is: 59,562.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,660.98 : 179,512.82 = 39,703.74 : x
  2. Step 2: Convert to fraction form
    119,660.98/179,512.82 = 39,703.74/x
  3. Step 3: Cross multiply
    119,660.98x = 179,512.82 × 39,703.74
  4. Step 4: Simplify right side
    119,660.98x = 7,127,330,331.95
  5. Step 5: Solve for x
    x = 7,127,330,331.95/119,660.98
  6. Step 6: Final answer
    x = 59,562.69

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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.