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Finding the Fourth Proportional to 248,518.82, 372,790.53 and 71,051.97

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Solution

The fourth proportional to 248,518.82, 372,790.53 and 71,051.97 is: 106,581.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,518.82 : 372,790.53 = 71,051.97 : x
  2. Step 2: Convert to fraction form
    248,518.82/372,790.53 = 71,051.97/x
  3. Step 3: Cross multiply
    248,518.82x = 372,790.53 × 71,051.97
  4. Step 4: Simplify right side
    248,518.82x = 26,487,501,553.84
  5. Step 5: Solve for x
    x = 26,487,501,553.84/248,518.82
  6. Step 6: Final answer
    x = 106,581.47

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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.