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Finding the Fourth Proportional to 219,553.44, 302,979.82 and 124,058.10

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Solution

The fourth proportional to 219,553.44, 302,979.82 and 124,058.10 is: 171,197.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,553.44 : 302,979.82 = 124,058.10 : x
  2. Step 2: Convert to fraction form
    219,553.44/302,979.82 = 124,058.10/x
  3. Step 3: Cross multiply
    219,553.44x = 302,979.82 × 124,058.10
  4. Step 4: Simplify right side
    219,553.44x = 37,587,100,807.54
  5. Step 5: Solve for x
    x = 37,587,100,807.54/219,553.44
  6. Step 6: Final answer
    x = 171,197.96

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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.