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Finding the Fourth Proportional to 276,652.01, 415,082.60 and 108,292.66

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Solution

The fourth proportional to 276,652.01, 415,082.60 and 108,292.66 is: 162,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,652.01 : 415,082.60 = 108,292.66 : x
  2. Step 2: Convert to fraction form
    276,652.01/415,082.60 = 108,292.66/x
  3. Step 3: Cross multiply
    276,652.01x = 415,082.60 × 108,292.66
  4. Step 4: Simplify right side
    276,652.01x = 44,950,398,873.72
  5. Step 5: Solve for x
    x = 44,950,398,873.72/276,652.01
  6. Step 6: Final answer
    x = 162,479.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.