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Finding the Fourth Proportional to 220,614.30, 330,921.45 and 62,840.70

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Solution

The fourth proportional to 220,614.30, 330,921.45 and 62,840.70 is: 94,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,614.30 : 330,921.45 = 62,840.70 : x
  2. Step 2: Convert to fraction form
    220,614.30/330,921.45 = 62,840.70/x
  3. Step 3: Cross multiply
    220,614.30x = 330,921.45 × 62,840.70
  4. Step 4: Simplify right side
    220,614.30x = 20,795,335,563.02
  5. Step 5: Solve for x
    x = 20,795,335,563.02/220,614.30
  6. Step 6: Final answer
    x = 94,261.05

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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.