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Finding the Fourth Proportional to 202,708.72, 304,100.13 and 67,760.02

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Solution

The fourth proportional to 202,708.72, 304,100.13 and 67,760.02 is: 101,652.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,708.72 : 304,100.13 = 67,760.02 : x
  2. Step 2: Convert to fraction form
    202,708.72/304,100.13 = 67,760.02/x
  3. Step 3: Cross multiply
    202,708.72x = 304,100.13 × 67,760.02
  4. Step 4: Simplify right side
    202,708.72x = 20,605,830,890.80
  5. Step 5: Solve for x
    x = 20,605,830,890.80/202,708.72
  6. Step 6: Final answer
    x = 101,652.41

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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.