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Finding the Fourth Proportional to 67,784.28, 101,651.31 and 23,398.98

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Solution

The fourth proportional to 67,784.28, 101,651.31 and 23,398.98 is: 35,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,784.28 : 101,651.31 = 23,398.98 : x
  2. Step 2: Convert to fraction form
    67,784.28/101,651.31 = 23,398.98/x
  3. Step 3: Cross multiply
    67,784.28x = 101,651.31 × 23,398.98
  4. Step 4: Simplify right side
    67,784.28x = 2,378,536,969.66
  5. Step 5: Solve for x
    x = 2,378,536,969.66/67,784.28
  6. Step 6: Final answer
    x = 35,089.80

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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.