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Finding the Fourth Proportional to 202,340.30, 303,856.05 and 132,529.10

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Solution

The fourth proportional to 202,340.30, 303,856.05 and 132,529.10 is: 199,020.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,340.30 : 303,856.05 = 132,529.10 : x
  2. Step 2: Convert to fraction form
    202,340.30/303,856.05 = 132,529.10/x
  3. Step 3: Cross multiply
    202,340.30x = 303,856.05 × 132,529.10
  4. Step 4: Simplify right side
    202,340.30x = 40,269,768,836.06
  5. Step 5: Solve for x
    x = 40,269,768,836.06/202,340.30
  6. Step 6: Final answer
    x = 199,020.01

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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.