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Finding the Fourth Proportional to 265,402.13, 366,249.47 and 144,545.54

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Solution

The fourth proportional to 265,402.13, 366,249.47 and 144,545.54 is: 199,469.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,402.13 : 366,249.47 = 144,545.54 : x
  2. Step 2: Convert to fraction form
    265,402.13/366,249.47 = 144,545.54/x
  3. Step 3: Cross multiply
    265,402.13x = 366,249.47 × 144,545.54
  4. Step 4: Simplify right side
    265,402.13x = 52,939,724,861.89
  5. Step 5: Solve for x
    x = 52,939,724,861.89/265,402.13
  6. Step 6: Final answer
    x = 199,469.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.