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Finding the Fourth Proportional to 70,825.70, 106,246.34 and 23,423.53

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Solution

The fourth proportional to 70,825.70, 106,246.34 and 23,423.53 is: 35,137.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,825.70 : 106,246.34 = 23,423.53 : x
  2. Step 2: Convert to fraction form
    70,825.70/106,246.34 = 23,423.53/x
  3. Step 3: Cross multiply
    70,825.70x = 106,246.34 × 23,423.53
  4. Step 4: Simplify right side
    70,825.70x = 2,488,664,253.17
  5. Step 5: Solve for x
    x = 2,488,664,253.17/70,825.70
  6. Step 6: Final answer
    x = 35,137.87

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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.