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Finding the Fourth Proportional to 172,892.50, 238,595.87 and 96,410.85

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Solution

The fourth proportional to 172,892.50, 238,595.87 and 96,410.85 is: 133,049.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,892.50 : 238,595.87 = 96,410.85 : x
  2. Step 2: Convert to fraction form
    172,892.50/238,595.87 = 96,410.85/x
  3. Step 3: Cross multiply
    172,892.50x = 238,595.87 × 96,410.85
  4. Step 4: Simplify right side
    172,892.50x = 23,003,230,633.19
  5. Step 5: Solve for x
    x = 23,003,230,633.19/172,892.50
  6. Step 6: Final answer
    x = 133,049.33

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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.