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Finding the Fourth Proportional to 243,194.59, 335,512.09 and 162,494.29

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Solution

The fourth proportional to 243,194.59, 335,512.09 and 162,494.29 is: 224,177.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,194.59 : 335,512.09 = 162,494.29 : x
  2. Step 2: Convert to fraction form
    243,194.59/335,512.09 = 162,494.29/x
  3. Step 3: Cross multiply
    243,194.59x = 335,512.09 × 162,494.29
  4. Step 4: Simplify right side
    243,194.59x = 54,518,798,850.97
  5. Step 5: Solve for x
    x = 54,518,798,850.97/243,194.59
  6. Step 6: Final answer
    x = 224,177.68

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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.