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Finding the Fourth Proportional to 202,227.10, 303,340.65 and 187,020.70

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Solution

The fourth proportional to 202,227.10, 303,340.65 and 187,020.70 is: 280,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,227.10 : 303,340.65 = 187,020.70 : x
  2. Step 2: Convert to fraction form
    202,227.10/303,340.65 = 187,020.70/x
  3. Step 3: Cross multiply
    202,227.10x = 303,340.65 × 187,020.70
  4. Step 4: Simplify right side
    202,227.10x = 56,730,980,701.46
  5. Step 5: Solve for x
    x = 56,730,980,701.46/202,227.10
  6. Step 6: Final answer
    x = 280,531.05

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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.