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Finding the Fourth Proportional to 202,301.30, 303,797.55 and 132,490.10

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Solution

The fourth proportional to 202,301.30, 303,797.55 and 132,490.10 is: 198,961.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,301.30 : 303,797.55 = 132,490.10 : x
  2. Step 2: Convert to fraction form
    202,301.30/303,797.55 = 132,490.10/x
  3. Step 3: Cross multiply
    202,301.30x = 303,797.55 × 132,490.10
  4. Step 4: Simplify right side
    202,301.30x = 40,250,167,779.26
  5. Step 5: Solve for x
    x = 40,250,167,779.26/202,301.30
  6. Step 6: Final answer
    x = 198,961.49

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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.