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Finding the Fourth Proportional to 202,616.44, 279,596.52 and 111,970.78

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Solution

The fourth proportional to 202,616.44, 279,596.52 and 111,970.78 is: 154,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,616.44 : 279,596.52 = 111,970.78 : x
  2. Step 2: Convert to fraction form
    202,616.44/279,596.52 = 111,970.78/x
  3. Step 3: Cross multiply
    202,616.44x = 279,596.52 × 111,970.78
  4. Step 4: Simplify right side
    202,616.44x = 31,306,640,429.69
  5. Step 5: Solve for x
    x = 31,306,640,429.69/202,616.44
  6. Step 6: Final answer
    x = 154,511.85

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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.