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Finding the Fourth Proportional to 172,859.52, 238,546.24 and 93,371.52

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Solution

The fourth proportional to 172,859.52, 238,546.24 and 93,371.52 is: 128,852.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,859.52 : 238,546.24 = 93,371.52 : x
  2. Step 2: Convert to fraction form
    172,859.52/238,546.24 = 93,371.52/x
  3. Step 3: Cross multiply
    172,859.52x = 238,546.24 × 93,371.52
  4. Step 4: Simplify right side
    172,859.52x = 22,273,425,019.08
  5. Step 5: Solve for x
    x = 22,273,425,019.08/172,859.52
  6. Step 6: Final answer
    x = 128,852.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.