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Finding the Fourth Proportional to 294,537.78, 441,797.88 and 81,318.71

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Solution

The fourth proportional to 294,537.78, 441,797.88 and 81,318.71 is: 121,975.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,537.78 : 441,797.88 = 81,318.71 : x
  2. Step 2: Convert to fraction form
    294,537.78/441,797.88 = 81,318.71/x
  3. Step 3: Cross multiply
    294,537.78x = 441,797.88 × 81,318.71
  4. Step 4: Simplify right side
    294,537.78x = 35,926,433,682.33
  5. Step 5: Solve for x
    x = 35,926,433,682.33/294,537.78
  6. Step 6: Final answer
    x = 121,975.64

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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.