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Finding the Fourth Proportional to 202,324.74, 279,208.16 and 111,680.73

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Solution

The fourth proportional to 202,324.74, 279,208.16 and 111,680.73 is: 154,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,324.74 : 279,208.16 = 111,680.73 : x
  2. Step 2: Convert to fraction form
    202,324.74/279,208.16 = 111,680.73/x
  3. Step 3: Cross multiply
    202,324.74x = 279,208.16 × 111,680.73
  4. Step 4: Simplify right side
    202,324.74x = 31,182,170,572.35
  5. Step 5: Solve for x
    x = 31,182,170,572.35/202,324.74
  6. Step 6: Final answer
    x = 154,119.42

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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.