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Finding the Fourth Proportional to 201,704.63, 278,229.57 and 124,192.76

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Solution

The fourth proportional to 201,704.63, 278,229.57 and 124,192.76 is: 171,310.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,704.63 : 278,229.57 = 124,192.76 : x
  2. Step 2: Convert to fraction form
    201,704.63/278,229.57 = 124,192.76/x
  3. Step 3: Cross multiply
    201,704.63x = 278,229.57 × 124,192.76
  4. Step 4: Simplify right side
    201,704.63x = 34,554,096,820.77
  5. Step 5: Solve for x
    x = 34,554,096,820.77/201,704.63
  6. Step 6: Final answer
    x = 171,310.38

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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.