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Finding the Fourth Proportional to 261,550.92, 360,940.50 and 146,813.52

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Solution

The fourth proportional to 261,550.92, 360,940.50 and 146,813.52 is: 202,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,550.92 : 360,940.50 = 146,813.52 : x
  2. Step 2: Convert to fraction form
    261,550.92/360,940.50 = 146,813.52/x
  3. Step 3: Cross multiply
    261,550.92x = 360,940.50 × 146,813.52
  4. Step 4: Simplify right side
    261,550.92x = 52,990,945,315.56
  5. Step 5: Solve for x
    x = 52,990,945,315.56/261,550.92
  6. Step 6: Final answer
    x = 202,602.79

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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.