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Finding the Fourth Proportional to 232,299.54, 320,610.69 and 131,729.94

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Solution

The fourth proportional to 232,299.54, 320,610.69 and 131,729.94 is: 181,808.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,299.54 : 320,610.69 = 131,729.94 : x
  2. Step 2: Convert to fraction form
    232,299.54/320,610.69 = 131,729.94/x
  3. Step 3: Cross multiply
    232,299.54x = 320,610.69 × 131,729.94
  4. Step 4: Simplify right side
    232,299.54x = 42,234,026,957.06
  5. Step 5: Solve for x
    x = 42,234,026,957.06/232,299.54
  6. Step 6: Final answer
    x = 181,808.48

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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.