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Finding the Fourth Proportional to 202,773.32, 279,734.16 and 131,176.42

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Solution

The fourth proportional to 202,773.32, 279,734.16 and 131,176.42 is: 180,963.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,773.32 : 279,734.16 = 131,176.42 : x
  2. Step 2: Convert to fraction form
    202,773.32/279,734.16 = 131,176.42/x
  3. Step 3: Cross multiply
    202,773.32x = 279,734.16 × 131,176.42
  4. Step 4: Simplify right side
    202,773.32x = 36,694,525,660.51
  5. Step 5: Solve for x
    x = 36,694,525,660.51/202,773.32
  6. Step 6: Final answer
    x = 180,963.28

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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.