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Finding the Fourth Proportional to 234,172.70, 351,257.61 and 76,401.26

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Solution

The fourth proportional to 234,172.70, 351,257.61 and 76,401.26 is: 114,601.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,172.70 : 351,257.61 = 76,401.26 : x
  2. Step 2: Convert to fraction form
    234,172.70/351,257.61 = 76,401.26/x
  3. Step 3: Cross multiply
    234,172.70x = 351,257.61 × 76,401.26
  4. Step 4: Simplify right side
    234,172.70x = 26,836,523,988.59
  5. Step 5: Solve for x
    x = 26,836,523,988.59/234,172.70
  6. Step 6: Final answer
    x = 114,601.42

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1.5x scale

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.