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Finding the Fourth Proportional to 220,311.06, 330,523.48 and 93,887.76

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Solution

The fourth proportional to 220,311.06, 330,523.48 and 93,887.76 is: 140,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,311.06 : 330,523.48 = 93,887.76 : x
  2. Step 2: Convert to fraction form
    220,311.06/330,523.48 = 93,887.76/x
  3. Step 3: Cross multiply
    220,311.06x = 330,523.48 × 93,887.76
  4. Step 4: Simplify right side
    220,311.06x = 31,032,109,164.60
  5. Step 5: Solve for x
    x = 31,032,109,164.60/220,311.06
  6. Step 6: Final answer
    x = 140,855.88

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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.