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Finding the Fourth Proportional to 223,640.70, 335,849.85 and 118,664.70

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Solution

The fourth proportional to 223,640.70, 335,849.85 and 118,664.70 is: 178,203.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,640.70 : 335,849.85 = 118,664.70 : x
  2. Step 2: Convert to fraction form
    223,640.70/335,849.85 = 118,664.70/x
  3. Step 3: Cross multiply
    223,640.70x = 335,849.85 × 118,664.70
  4. Step 4: Simplify right side
    223,640.70x = 39,853,521,695.30
  5. Step 5: Solve for x
    x = 39,853,521,695.30/223,640.70
  6. Step 6: Final answer
    x = 178,203.35

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1.5x scale

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.