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Finding the Fourth Proportional to 220,331.07, 304,058.79 and 119,729.07

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Solution

The fourth proportional to 220,331.07, 304,058.79 and 119,729.07 is: 165,227.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,331.07 : 304,058.79 = 119,729.07 : x
  2. Step 2: Convert to fraction form
    220,331.07/304,058.79 = 119,729.07/x
  3. Step 3: Cross multiply
    220,331.07x = 304,058.79 × 119,729.07
  4. Step 4: Simplify right side
    220,331.07x = 36,404,676,152.03
  5. Step 5: Solve for x
    x = 36,404,676,152.03/220,331.07
  6. Step 6: Final answer
    x = 165,227.16

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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.