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Finding the Fourth Proportional to 67,709.70, 101,502.35 and 23,325.90

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Solution

The fourth proportional to 67,709.70, 101,502.35 and 23,325.90 is: 34,967.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,709.70 : 101,502.35 = 23,325.90 : x
  2. Step 2: Convert to fraction form
    67,709.70/101,502.35 = 23,325.90/x
  3. Step 3: Cross multiply
    67,709.70x = 101,502.35 × 23,325.90
  4. Step 4: Simplify right side
    67,709.70x = 2,367,633,665.87
  5. Step 5: Solve for x
    x = 2,367,633,665.87/67,709.70
  6. Step 6: Final answer
    x = 34,967.42

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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.