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Finding the Fourth Proportional to 261,229.91, 360,163.55 and 169,186.57

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Solution

The fourth proportional to 261,229.91, 360,163.55 and 169,186.57 is: 233,261.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,229.91 : 360,163.55 = 169,186.57 : x
  2. Step 2: Convert to fraction form
    261,229.91/360,163.55 = 169,186.57/x
  3. Step 3: Cross multiply
    261,229.91x = 360,163.55 × 169,186.57
  4. Step 4: Simplify right side
    261,229.91x = 60,934,835,240.56
  5. Step 5: Solve for x
    x = 60,934,835,240.56/261,229.91
  6. Step 6: Final answer
    x = 233,261.33

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1.5x scale

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.