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Finding the Fourth Proportional to 202,687.30, 279,111.18 and 173,794.60

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Solution

The fourth proportional to 202,687.30, 279,111.18 and 173,794.60 is: 239,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,687.30 : 279,111.18 = 173,794.60 : x
  2. Step 2: Convert to fraction form
    202,687.30/279,111.18 = 173,794.60/x
  3. Step 3: Cross multiply
    202,687.30x = 279,111.18 × 173,794.60
  4. Step 4: Simplify right side
    202,687.30x = 48,508,015,883.63
  5. Step 5: Solve for x
    x = 48,508,015,883.63/202,687.30
  6. Step 6: Final answer
    x = 239,324.40

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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.