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Finding the Fourth Proportional to 202,872.57, 304,324.70 and 67,937.15

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Solution

The fourth proportional to 202,872.57, 304,324.70 and 67,937.15 is: 101,911.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,872.57 : 304,324.70 = 67,937.15 : x
  2. Step 2: Convert to fraction form
    202,872.57/304,324.70 = 67,937.15/x
  3. Step 3: Cross multiply
    202,872.57x = 304,324.70 × 67,937.15
  4. Step 4: Simplify right side
    202,872.57x = 20,674,952,792.61
  5. Step 5: Solve for x
    x = 20,674,952,792.61/202,872.57
  6. Step 6: Final answer
    x = 101,911.03

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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.