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Finding the Fourth Proportional to 172,648.71, 238,238.19 and 96,165.24

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Solution

The fourth proportional to 172,648.71, 238,238.19 and 96,165.24 is: 132,698.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,648.71 : 238,238.19 = 96,165.24 : x
  2. Step 2: Convert to fraction form
    172,648.71/238,238.19 = 96,165.24/x
  3. Step 3: Cross multiply
    172,648.71x = 238,238.19 × 96,165.24
  4. Step 4: Simplify right side
    172,648.71x = 22,910,232,718.52
  5. Step 5: Solve for x
    x = 22,910,232,718.52/172,648.71
  6. Step 6: Final answer
    x = 132,698.55

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1.5x scale

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.