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Finding the Fourth Proportional to 219,553.70, 302,980.16 and 124,058.34

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Solution

The fourth proportional to 219,553.70, 302,980.16 and 124,058.34 is: 171,198.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,553.70 : 302,980.16 = 124,058.34 : x
  2. Step 2: Convert to fraction form
    219,553.70/302,980.16 = 124,058.34/x
  3. Step 3: Cross multiply
    219,553.70x = 302,980.16 × 124,058.34
  4. Step 4: Simplify right side
    219,553.70x = 37,587,216,012.68
  5. Step 5: Solve for x
    x = 37,587,216,012.68/219,553.70
  6. Step 6: Final answer
    x = 171,198.28

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1.5x scale

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.