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Finding the Fourth Proportional to 220,706.94, 331,028.54 and 70,927.68

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Solution

The fourth proportional to 220,706.94, 331,028.54 and 70,927.68 is: 106,381.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,706.94 : 331,028.54 = 70,927.68 : x
  2. Step 2: Convert to fraction form
    220,706.94/331,028.54 = 70,927.68/x
  3. Step 3: Cross multiply
    220,706.94x = 331,028.54 × 70,927.68
  4. Step 4: Simplify right side
    220,706.94x = 23,479,086,355.99
  5. Step 5: Solve for x
    x = 23,479,086,355.99/220,706.94
  6. Step 6: Final answer
    x = 106,381.28

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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.