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Finding the Fourth Proportional to 248,605.65, 372,840.30 and 68,648.04

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Solution

The fourth proportional to 248,605.65, 372,840.30 and 68,648.04 is: 102,953.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,605.65 : 372,840.30 = 68,648.04 : x
  2. Step 2: Convert to fraction form
    248,605.65/372,840.30 = 68,648.04/x
  3. Step 3: Cross multiply
    248,605.65x = 372,840.30 × 68,648.04
  4. Step 4: Simplify right side
    248,605.65x = 25,594,755,828.01
  5. Step 5: Solve for x
    x = 25,594,755,828.01/248,605.65
  6. Step 6: Final answer
    x = 102,953.23

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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.