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Finding the Fourth Proportional to 202,757.76, 279,794.42 and 112,108.29

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Solution

The fourth proportional to 202,757.76, 279,794.42 and 112,108.29 is: 154,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,757.76 : 279,794.42 = 112,108.29 : x
  2. Step 2: Convert to fraction form
    202,757.76/279,794.42 = 112,108.29/x
  3. Step 3: Cross multiply
    202,757.76x = 279,794.42 × 112,108.29
  4. Step 4: Simplify right side
    202,757.76x = 31,367,273,417.20
  5. Step 5: Solve for x
    x = 31,367,273,417.20/202,757.76
  6. Step 6: Final answer
    x = 154,703.20

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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.