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Finding the Fourth Proportional to 220,484.52, 330,788.52 and 70,733.52

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Solution

The fourth proportional to 220,484.52, 330,788.52 and 70,733.52 is: 106,120.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,484.52 : 330,788.52 = 70,733.52 : x
  2. Step 2: Convert to fraction form
    220,484.52/330,788.52 = 70,733.52/x
  3. Step 3: Cross multiply
    220,484.52x = 330,788.52 × 70,733.52
  4. Step 4: Simplify right side
    220,484.52x = 23,397,836,395.19
  5. Step 5: Solve for x
    x = 23,397,836,395.19/220,484.52
  6. Step 6: Final answer
    x = 106,120.09

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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.