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Finding the Fourth Proportional to 172,745.13, 238,395.68 and 96,264.33

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Solution

The fourth proportional to 172,745.13, 238,395.68 and 96,264.33 is: 132,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,745.13 : 238,395.68 = 96,264.33 : x
  2. Step 2: Convert to fraction form
    172,745.13/238,395.68 = 96,264.33/x
  3. Step 3: Cross multiply
    172,745.13x = 238,395.68 × 96,264.33
  4. Step 4: Simplify right side
    172,745.13x = 22,949,000,410.09
  5. Step 5: Solve for x
    x = 22,949,000,410.09/172,745.13
  6. Step 6: Final answer
    x = 132,848.90

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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.