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Finding the Fourth Proportional to 67,123.84, 100,622.85 and 22,719.52

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Solution

The fourth proportional to 67,123.84, 100,622.85 and 22,719.52 is: 34,057.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,123.84 : 100,622.85 = 22,719.52 : x
  2. Step 2: Convert to fraction form
    67,123.84/100,622.85 = 22,719.52/x
  3. Step 3: Cross multiply
    67,123.84x = 100,622.85 × 22,719.52
  4. Step 4: Simplify right side
    67,123.84x = 2,286,102,853.03
  5. Step 5: Solve for x
    x = 2,286,102,853.03/67,123.84
  6. Step 6: Final answer
    x = 34,057.99

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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.