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Finding the Fourth Proportional to 220,222.80, 330,334.20 and 54,010.80

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Solution

The fourth proportional to 220,222.80, 330,334.20 and 54,010.80 is: 81,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,222.80 : 330,334.20 = 54,010.80 : x
  2. Step 2: Convert to fraction form
    220,222.80/330,334.20 = 54,010.80/x
  3. Step 3: Cross multiply
    220,222.80x = 330,334.20 × 54,010.80
  4. Step 4: Simplify right side
    220,222.80x = 17,841,614,409.36
  5. Step 5: Solve for x
    x = 17,841,614,409.36/220,222.80
  6. Step 6: Final answer
    x = 81,016.20

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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.