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Finding the Fourth Proportional to 179,167.40, 268,751.10 and 159,813.80

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Solution

The fourth proportional to 179,167.40, 268,751.10 and 159,813.80 is: 239,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,167.40 : 268,751.10 = 159,813.80 : x
  2. Step 2: Convert to fraction form
    179,167.40/268,751.10 = 159,813.80/x
  3. Step 3: Cross multiply
    179,167.40x = 268,751.10 × 159,813.80
  4. Step 4: Simplify right side
    179,167.40x = 42,950,134,545.18
  5. Step 5: Solve for x
    x = 42,950,134,545.18/179,167.40
  6. Step 6: Final answer
    x = 239,720.70

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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.