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Finding the Fourth Proportional to 269,134.67, 403,424.96 and 119,445.45

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Solution

The fourth proportional to 269,134.67, 403,424.96 and 119,445.45 is: 179,045.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,134.67 : 403,424.96 = 119,445.45 : x
  2. Step 2: Convert to fraction form
    269,134.67/403,424.96 = 119,445.45/x
  3. Step 3: Cross multiply
    269,134.67x = 403,424.96 × 119,445.45
  4. Step 4: Simplify right side
    269,134.67x = 48,187,275,291.20
  5. Step 5: Solve for x
    x = 48,187,275,291.20/269,134.67
  6. Step 6: Final answer
    x = 179,045.22

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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.