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Finding the Fourth Proportional to 220,080.34, 303,713.31 and 124,584.94

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Solution

The fourth proportional to 220,080.34, 303,713.31 and 124,584.94 is: 171,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,080.34 : 303,713.31 = 124,584.94 : x
  2. Step 2: Convert to fraction form
    220,080.34/303,713.31 = 124,584.94/x
  3. Step 3: Cross multiply
    220,080.34x = 303,713.31 × 124,584.94
  4. Step 4: Simplify right side
    220,080.34x = 37,838,104,503.55
  5. Step 5: Solve for x
    x = 37,838,104,503.55/220,080.34
  6. Step 6: Final answer
    x = 171,928.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.