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Finding the Fourth Proportional to 275,392.52, 380,164.96 and 168,005.35

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Solution

The fourth proportional to 275,392.52, 380,164.96 and 168,005.35 is: 231,922.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,392.52 : 380,164.96 = 168,005.35 : x
  2. Step 2: Convert to fraction form
    275,392.52/380,164.96 = 168,005.35/x
  3. Step 3: Cross multiply
    275,392.52x = 380,164.96 × 168,005.35
  4. Step 4: Simplify right side
    275,392.52x = 63,869,747,162.54
  5. Step 5: Solve for x
    x = 63,869,747,162.54/275,392.52
  6. Step 6: Final answer
    x = 231,922.59

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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.