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Finding the Fourth Proportional to 169,708.74, 254,343.33 and 69,755.82

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Solution

The fourth proportional to 169,708.74, 254,343.33 and 69,755.82 is: 104,543.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,708.74 : 254,343.33 = 69,755.82 : x
  2. Step 2: Convert to fraction form
    169,708.74/254,343.33 = 69,755.82/x
  3. Step 3: Cross multiply
    169,708.74x = 254,343.33 × 69,755.82
  4. Step 4: Simplify right side
    169,708.74x = 17,741,927,545.68
  5. Step 5: Solve for x
    x = 17,741,927,545.68/169,708.74
  6. Step 6: Final answer
    x = 104,543.39

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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.