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Finding the Fourth Proportional to 67,756.77, 101,642.09 and 23,383.40

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Solution

The fourth proportional to 67,756.77, 101,642.09 and 23,383.40 is: 35,077.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,756.77 : 101,642.09 = 23,383.40 : x
  2. Step 2: Convert to fraction form
    67,756.77/101,642.09 = 23,383.40/x
  3. Step 3: Cross multiply
    67,756.77x = 101,642.09 × 23,383.40
  4. Step 4: Simplify right side
    67,756.77x = 2,376,737,022.18
  5. Step 5: Solve for x
    x = 2,376,737,022.18/67,756.77
  6. Step 6: Final answer
    x = 35,077.48

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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.