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Finding the Fourth Proportional to 240,058.79, 331,000.11 and 163,623.14

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Solution

The fourth proportional to 240,058.79, 331,000.11 and 163,623.14 is: 225,608.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,058.79 : 331,000.11 = 163,623.14 : x
  2. Step 2: Convert to fraction form
    240,058.79/331,000.11 = 163,623.14/x
  3. Step 3: Cross multiply
    240,058.79x = 331,000.11 × 163,623.14
  4. Step 4: Simplify right side
    240,058.79x = 54,159,275,683.54
  5. Step 5: Solve for x
    x = 54,159,275,683.54/240,058.79
  6. Step 6: Final answer
    x = 225,608.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.