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Finding the Fourth Proportional to 220,537.47, 330,786.54 and 70,737.09

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Solution

The fourth proportional to 220,537.47, 330,786.54 and 70,737.09 is: 106,099.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,537.47 : 330,786.54 = 70,737.09 : x
  2. Step 2: Convert to fraction form
    220,537.47/330,786.54 = 70,737.09/x
  3. Step 3: Cross multiply
    220,537.47x = 330,786.54 × 70,737.09
  4. Step 4: Simplify right side
    220,537.47x = 23,398,877,250.77
  5. Step 5: Solve for x
    x = 23,398,877,250.77/220,537.47
  6. Step 6: Final answer
    x = 106,099.33

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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.