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Finding the Fourth Proportional to 169,919.75, 254,863.17 and 51,592.11

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Solution

The fourth proportional to 169,919.75, 254,863.17 and 51,592.11 is: 77,383.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,919.75 : 254,863.17 = 51,592.11 : x
  2. Step 2: Convert to fraction form
    169,919.75/254,863.17 = 51,592.11/x
  3. Step 3: Cross multiply
    169,919.75x = 254,863.17 × 51,592.11
  4. Step 4: Simplify right side
    169,919.75x = 13,148,928,443.63
  5. Step 5: Solve for x
    x = 13,148,928,443.63/169,919.75
  6. Step 6: Final answer
    x = 77,383.17

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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.