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Finding the Fourth Proportional to 202,342.30, 303,859.05 and 132,531.10

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Solution

The fourth proportional to 202,342.30, 303,859.05 and 132,531.10 is: 199,023.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,342.30 : 303,859.05 = 132,531.10 : x
  2. Step 2: Convert to fraction form
    202,342.30/303,859.05 = 132,531.10/x
  3. Step 3: Cross multiply
    202,342.30x = 303,859.05 × 132,531.10
  4. Step 4: Simplify right side
    202,342.30x = 40,270,774,141.46
  5. Step 5: Solve for x
    x = 40,270,774,141.46/202,342.30
  6. Step 6: Final answer
    x = 199,023.01

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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.