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Finding the Fourth Proportional to 202,863.20, 304,294.80 and 132,004.40

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Solution

The fourth proportional to 202,863.20, 304,294.80 and 132,004.40 is: 198,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,863.20 : 304,294.80 = 132,004.40 : x
  2. Step 2: Convert to fraction form
    202,863.20/304,294.80 = 132,004.40/x
  3. Step 3: Cross multiply
    202,863.20x = 304,294.80 × 132,004.40
  4. Step 4: Simplify right side
    202,863.20x = 40,168,252,497.12
  5. Step 5: Solve for x
    x = 40,168,252,497.12/202,863.20
  6. Step 6: Final answer
    x = 198,006.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.