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Finding the Fourth Proportional to 201,243.68, 277,620.56 and 144,687.86

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Solution

The fourth proportional to 201,243.68, 277,620.56 and 144,687.86 is: 199,600.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,243.68 : 277,620.56 = 144,687.86 : x
  2. Step 2: Convert to fraction form
    201,243.68/277,620.56 = 144,687.86/x
  3. Step 3: Cross multiply
    201,243.68x = 277,620.56 × 144,687.86
  4. Step 4: Simplify right side
    201,243.68x = 40,168,324,718.40
  5. Step 5: Solve for x
    x = 40,168,324,718.40/201,243.68
  6. Step 6: Final answer
    x = 199,600.43

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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.