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Finding the Fourth Proportional to 67,755.64, 101,696.48 and 34,500.56

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Solution

The fourth proportional to 67,755.64, 101,696.48 and 34,500.56 is: 51,782.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,755.64 : 101,696.48 = 34,500.56 : x
  2. Step 2: Convert to fraction form
    67,755.64/101,696.48 = 34,500.56/x
  3. Step 3: Cross multiply
    67,755.64x = 101,696.48 × 34,500.56
  4. Step 4: Simplify right side
    67,755.64x = 3,508,585,510.03
  5. Step 5: Solve for x
    x = 3,508,585,510.03/67,755.64
  6. Step 6: Final answer
    x = 51,782.93

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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.