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Finding the Fourth Proportional to 265,545.72, 366,462.36 and 144,696.96

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Solution

The fourth proportional to 265,545.72, 366,462.36 and 144,696.96 is: 199,686.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,545.72 : 366,462.36 = 144,696.96 : x
  2. Step 2: Convert to fraction form
    265,545.72/366,462.36 = 144,696.96/x
  3. Step 3: Cross multiply
    265,545.72x = 366,462.36 × 144,696.96
  4. Step 4: Simplify right side
    265,545.72x = 53,025,989,446.43
  5. Step 5: Solve for x
    x = 53,025,989,446.43/265,545.72
  6. Step 6: Final answer
    x = 199,686.85

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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.