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Finding the Fourth Proportional to 248,510.98, 372,778.77 and 71,044.13

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Solution

The fourth proportional to 248,510.98, 372,778.77 and 71,044.13 is: 106,569.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,510.98 : 372,778.77 = 71,044.13 : x
  2. Step 2: Convert to fraction form
    248,510.98/372,778.77 = 71,044.13/x
  3. Step 3: Cross multiply
    248,510.98x = 372,778.77 × 71,044.13
  4. Step 4: Simplify right side
    248,510.98x = 26,483,744,329.07
  5. Step 5: Solve for x
    x = 26,483,744,329.07/248,510.98
  6. Step 6: Final answer
    x = 106,569.72

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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.