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Finding the Fourth Proportional to 223,058.78, 334,640.82 and 73,299.50

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Solution

The fourth proportional to 223,058.78, 334,640.82 and 73,299.50 is: 109,966.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,058.78 : 334,640.82 = 73,299.50 : x
  2. Step 2: Convert to fraction form
    223,058.78/334,640.82 = 73,299.50/x
  3. Step 3: Cross multiply
    223,058.78x = 334,640.82 × 73,299.50
  4. Step 4: Simplify right side
    223,058.78x = 24,529,004,785.59
  5. Step 5: Solve for x
    x = 24,529,004,785.59/223,058.78
  6. Step 6: Final answer
    x = 109,966.55

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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.