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Finding the Fourth Proportional to 248,046.98, 372,072.47 and 79,567.52

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Solution

The fourth proportional to 248,046.98, 372,072.47 and 79,567.52 is: 119,351.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,046.98 : 372,072.47 = 79,567.52 : x
  2. Step 2: Convert to fraction form
    248,046.98/372,072.47 = 79,567.52/x
  3. Step 3: Cross multiply
    248,046.98x = 372,072.47 × 79,567.52
  4. Step 4: Simplify right side
    248,046.98x = 29,604,881,439.97
  5. Step 5: Solve for x
    x = 29,604,881,439.97/248,046.98
  6. Step 6: Final answer
    x = 119,351.91

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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.