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Finding the Fourth Proportional to 294,033.97, 441,055.79 and 80,800.55

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Solution

The fourth proportional to 294,033.97, 441,055.79 and 80,800.55 is: 121,202.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,033.97 : 441,055.79 = 80,800.55 : x
  2. Step 2: Convert to fraction form
    294,033.97/441,055.79 = 80,800.55/x
  3. Step 3: Cross multiply
    294,033.97x = 441,055.79 × 80,800.55
  4. Step 4: Simplify right side
    294,033.97x = 35,637,550,607.85
  5. Step 5: Solve for x
    x = 35,637,550,607.85/294,033.97
  6. Step 6: Final answer
    x = 121,202.15

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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.