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Finding the Fourth Proportional to 171,082.73, 235,999.47 and 99,454.84

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Solution

The fourth proportional to 171,082.73, 235,999.47 and 99,454.84 is: 137,192.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,082.73 : 235,999.47 = 99,454.84 : x
  2. Step 2: Convert to fraction form
    171,082.73/235,999.47 = 99,454.84/x
  3. Step 3: Cross multiply
    171,082.73x = 235,999.47 × 99,454.84
  4. Step 4: Simplify right side
    171,082.73x = 23,471,289,311.89
  5. Step 5: Solve for x
    x = 23,471,289,311.89/171,082.73
  6. Step 6: Final answer
    x = 137,192.63

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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.