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Finding the Fourth Proportional to 267,436.82, 401,285.85 and 117,658.41

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Solution

The fourth proportional to 267,436.82, 401,285.85 and 117,658.41 is: 176,545.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,436.82 : 401,285.85 = 117,658.41 : x
  2. Step 2: Convert to fraction form
    267,436.82/401,285.85 = 117,658.41/x
  3. Step 3: Cross multiply
    267,436.82x = 401,285.85 × 117,658.41
  4. Step 4: Simplify right side
    267,436.82x = 47,214,653,120.46
  5. Step 5: Solve for x
    x = 47,214,653,120.46/267,436.82
  6. Step 6: Final answer
    x = 176,545.07

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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.