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Finding the Fourth Proportional to 361,228.56, 541,868.82 and 124,567.84

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Solution

The fourth proportional to 361,228.56, 541,868.82 and 124,567.84 is: 186,860.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,228.56 : 541,868.82 = 124,567.84 : x
  2. Step 2: Convert to fraction form
    361,228.56/541,868.82 = 124,567.84/x
  3. Step 3: Cross multiply
    361,228.56x = 541,868.82 × 124,567.84
  4. Step 4: Simplify right side
    361,228.56x = 67,499,428,470.75
  5. Step 5: Solve for x
    x = 67,499,428,470.75/361,228.56
  6. Step 6: Final answer
    x = 186,860.72

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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.