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Finding the Fourth Proportional to 202,346.75, 279,238.52 and 112,922.75

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Solution

The fourth proportional to 202,346.75, 279,238.52 and 112,922.75 is: 155,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,346.75 : 279,238.52 = 112,922.75 : x
  2. Step 2: Convert to fraction form
    202,346.75/279,238.52 = 112,922.75/x
  3. Step 3: Cross multiply
    202,346.75x = 279,238.52 × 112,922.75
  4. Step 4: Simplify right side
    202,346.75x = 31,532,381,584.33
  5. Step 5: Solve for x
    x = 31,532,381,584.33/202,346.75
  6. Step 6: Final answer
    x = 155,833.40

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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.