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Finding the Fourth Proportional to 220,654.80, 330,980.34 and 62,883.72

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Solution

The fourth proportional to 220,654.80, 330,980.34 and 62,883.72 is: 94,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,654.80 : 330,980.34 = 62,883.72 : x
  2. Step 2: Convert to fraction form
    220,654.80/330,980.34 = 62,883.72/x
  3. Step 3: Cross multiply
    220,654.80x = 330,980.34 × 62,883.72
  4. Step 4: Simplify right side
    220,654.80x = 20,813,275,026.06
  5. Step 5: Solve for x
    x = 20,813,275,026.06/220,654.80
  6. Step 6: Final answer
    x = 94,325.05

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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.