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Finding the Fourth Proportional to 201,672.96, 278,304.30 and 111,025.46

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Solution

The fourth proportional to 201,672.96, 278,304.30 and 111,025.46 is: 153,212.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,672.96 : 278,304.30 = 111,025.46 : x
  2. Step 2: Convert to fraction form
    201,672.96/278,304.30 = 111,025.46/x
  3. Step 3: Cross multiply
    201,672.96x = 278,304.30 × 111,025.46
  4. Step 4: Simplify right side
    201,672.96x = 30,898,861,535.96
  5. Step 5: Solve for x
    x = 30,898,861,535.96/201,672.96
  6. Step 6: Final answer
    x = 153,212.71

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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.