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Finding the Fourth Proportional to 202,924.44, 280,043.98 and 112,278.92

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Solution

The fourth proportional to 202,924.44, 280,043.98 and 112,278.92 is: 154,949.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,924.44 : 280,043.98 = 112,278.92 : x
  2. Step 2: Convert to fraction form
    202,924.44/280,043.98 = 112,278.92/x
  3. Step 3: Cross multiply
    202,924.44x = 280,043.98 × 112,278.92
  4. Step 4: Simplify right side
    202,924.44x = 31,443,035,626.90
  5. Step 5: Solve for x
    x = 31,443,035,626.90/202,924.44
  6. Step 6: Final answer
    x = 154,949.48

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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.