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Finding the Fourth Proportional to 169,489.70, 254,222.18 and 79,552.92

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Solution

The fourth proportional to 169,489.70, 254,222.18 and 79,552.92 is: 119,323.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,489.70 : 254,222.18 = 79,552.92 : x
  2. Step 2: Convert to fraction form
    169,489.70/254,222.18 = 79,552.92/x
  3. Step 3: Cross multiply
    169,489.70x = 254,222.18 × 79,552.92
  4. Step 4: Simplify right side
    169,489.70x = 20,224,116,747.77
  5. Step 5: Solve for x
    x = 20,224,116,747.77/169,489.70
  6. Step 6: Final answer
    x = 119,323.57

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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.