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Finding the Fourth Proportional to 220,797.60, 331,096.80 and 62,988.48

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Solution

The fourth proportional to 220,797.60, 331,096.80 and 62,988.48 is: 94,454.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,797.60 : 331,096.80 = 62,988.48 : x
  2. Step 2: Convert to fraction form
    220,797.60/331,096.80 = 62,988.48/x
  3. Step 3: Cross multiply
    220,797.60x = 331,096.80 × 62,988.48
  4. Step 4: Simplify right side
    220,797.60x = 20,855,284,164.86
  5. Step 5: Solve for x
    x = 20,855,284,164.86/220,797.60
  6. Step 6: Final answer
    x = 94,454.31

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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.