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Finding the Fourth Proportional to 169,371.36, 254,155.46 and 75,877.11

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Solution

The fourth proportional to 169,371.36, 254,155.46 and 75,877.11 is: 113,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,371.36 : 254,155.46 = 75,877.11 : x
  2. Step 2: Convert to fraction form
    169,371.36/254,155.46 = 75,877.11/x
  3. Step 3: Cross multiply
    169,371.36x = 254,155.46 × 75,877.11
  4. Step 4: Simplify right side
    169,371.36x = 19,284,581,416.14
  5. Step 5: Solve for x
    x = 19,284,581,416.14/169,371.36
  6. Step 6: Final answer
    x = 113,859.75

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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.