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Finding the Fourth Proportional to 101,510.26, 140,100.87 and 69,652.96

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Solution

The fourth proportional to 101,510.26, 140,100.87 and 69,652.96 is: 96,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,510.26 : 140,100.87 = 69,652.96 : x
  2. Step 2: Convert to fraction form
    101,510.26/140,100.87 = 69,652.96/x
  3. Step 3: Cross multiply
    101,510.26x = 140,100.87 × 69,652.96
  4. Step 4: Simplify right side
    101,510.26x = 9,758,440,294.08
  5. Step 5: Solve for x
    x = 9,758,440,294.08/101,510.26
  6. Step 6: Final answer
    x = 96,132.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.