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Finding the Fourth Proportional to 202,757.82, 279,794.46 and 112,108.32

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Solution

The fourth proportional to 202,757.82, 279,794.46 and 112,108.32 is: 154,703.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,757.82 : 279,794.46 = 112,108.32 : x
  2. Step 2: Convert to fraction form
    202,757.82/279,794.46 = 112,108.32/x
  3. Step 3: Cross multiply
    202,757.82x = 279,794.46 × 112,108.32
  4. Step 4: Simplify right side
    202,757.82x = 31,367,286,855.91
  5. Step 5: Solve for x
    x = 31,367,286,855.91/202,757.82
  6. Step 6: Final answer
    x = 154,703.22

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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.