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Finding the Fourth Proportional to 179,363.80, 269,045.70 and 123,376.60

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Solution

The fourth proportional to 179,363.80, 269,045.70 and 123,376.60 is: 185,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,363.80 : 269,045.70 = 123,376.60 : x
  2. Step 2: Convert to fraction form
    179,363.80/269,045.70 = 123,376.60/x
  3. Step 3: Cross multiply
    179,363.80x = 269,045.70 × 123,376.60
  4. Step 4: Simplify right side
    179,363.80x = 33,193,943,710.62
  5. Step 5: Solve for x
    x = 33,193,943,710.62/179,363.80
  6. Step 6: Final answer
    x = 185,064.90

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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.