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Finding the Fourth Proportional to 248,010.71, 372,040.56 and 79,488.59

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Solution

The fourth proportional to 248,010.71, 372,040.56 and 79,488.59 is: 119,240.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,010.71 : 372,040.56 = 79,488.59 : x
  2. Step 2: Convert to fraction form
    248,010.71/372,040.56 = 79,488.59/x
  3. Step 3: Cross multiply
    248,010.71x = 372,040.56 × 79,488.59
  4. Step 4: Simplify right side
    248,010.71x = 29,572,977,677.01
  5. Step 5: Solve for x
    x = 29,572,977,677.01/248,010.71
  6. Step 6: Final answer
    x = 119,240.73

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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.