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Finding the Fourth Proportional to 252,882.36, 348,963.66 and 145,454.20

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Solution

The fourth proportional to 252,882.36, 348,963.66 and 145,454.20 is: 200,718.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,882.36 : 348,963.66 = 145,454.20 : x
  2. Step 2: Convert to fraction form
    252,882.36/348,963.66 = 145,454.20/x
  3. Step 3: Cross multiply
    252,882.36x = 348,963.66 × 145,454.20
  4. Step 4: Simplify right side
    252,882.36x = 50,758,229,121.96
  5. Step 5: Solve for x
    x = 50,758,229,121.96/252,882.36
  6. Step 6: Final answer
    x = 200,718.74

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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.