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Finding the Fourth Proportional to 67,506.77, 101,274.50 and 23,121.60

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Solution

The fourth proportional to 67,506.77, 101,274.50 and 23,121.60 is: 34,687.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,506.77 : 101,274.50 = 23,121.60 : x
  2. Step 2: Convert to fraction form
    67,506.77/101,274.50 = 23,121.60/x
  3. Step 3: Cross multiply
    67,506.77x = 101,274.50 × 23,121.60
  4. Step 4: Simplify right side
    67,506.77x = 2,341,628,726.89
  5. Step 5: Solve for x
    x = 2,341,628,726.89/67,506.77
  6. Step 6: Final answer
    x = 34,687.32

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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.