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Finding the Fourth Proportional to 301,289.48, 451,915.62 and 123,791.92

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Solution

The fourth proportional to 301,289.48, 451,915.62 and 123,791.92 is: 185,680.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,289.48 : 451,915.62 = 123,791.92 : x
  2. Step 2: Convert to fraction form
    301,289.48/451,915.62 = 123,791.92/x
  3. Step 3: Cross multiply
    301,289.48x = 451,915.62 × 123,791.92
  4. Step 4: Simplify right side
    301,289.48x = 55,943,502,277.79
  5. Step 5: Solve for x
    x = 55,943,502,277.79/301,289.48
  6. Step 6: Final answer
    x = 185,680.24

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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.