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Finding the Fourth Proportional to 169,640.82, 254,548.71 and 69,874.74

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Solution

The fourth proportional to 169,640.82, 254,548.71 and 69,874.74 is: 104,848.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,640.82 : 254,548.71 = 69,874.74 : x
  2. Step 2: Convert to fraction form
    169,640.82/254,548.71 = 69,874.74/x
  3. Step 3: Cross multiply
    169,640.82x = 254,548.71 × 69,874.74
  4. Step 4: Simplify right side
    169,640.82x = 17,786,524,928.59
  5. Step 5: Solve for x
    x = 17,786,524,928.59/169,640.82
  6. Step 6: Final answer
    x = 104,848.14

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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.