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Finding the Fourth Proportional to 248,382.90, 372,365.37 and 108,035.82

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Solution

The fourth proportional to 248,382.90, 372,365.37 and 108,035.82 is: 161,962.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,382.90 : 372,365.37 = 108,035.82 : x
  2. Step 2: Convert to fraction form
    248,382.90/372,365.37 = 108,035.82/x
  3. Step 3: Cross multiply
    248,382.90x = 372,365.37 × 108,035.82
  4. Step 4: Simplify right side
    248,382.90x = 40,228,798,087.55
  5. Step 5: Solve for x
    x = 40,228,798,087.55/248,382.90
  6. Step 6: Final answer
    x = 161,962.83

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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.