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Finding the Fourth Proportional to 243,164.96, 335,745.42 and 157,174.82

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Solution

The fourth proportional to 243,164.96, 335,745.42 and 157,174.82 is: 217,016.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,164.96 : 335,745.42 = 157,174.82 : x
  2. Step 2: Convert to fraction form
    243,164.96/335,745.42 = 157,174.82/x
  3. Step 3: Cross multiply
    243,164.96x = 335,745.42 × 157,174.82
  4. Step 4: Simplify right side
    243,164.96x = 52,770,725,954.32
  5. Step 5: Solve for x
    x = 52,770,725,954.32/243,164.96
  6. Step 6: Final answer
    x = 217,016.16

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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.