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Finding the Fourth Proportional to 243,408.67, 335,837.41 and 166,946.69

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Solution

The fourth proportional to 243,408.67, 335,837.41 and 166,946.69 is: 230,340.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,408.67 : 335,837.41 = 166,946.69 : x
  2. Step 2: Convert to fraction form
    243,408.67/335,837.41 = 166,946.69/x
  3. Step 3: Cross multiply
    243,408.67x = 335,837.41 × 166,946.69
  4. Step 4: Simplify right side
    243,408.67x = 56,066,944,399.90
  5. Step 5: Solve for x
    x = 56,066,944,399.90/243,408.67
  6. Step 6: Final answer
    x = 230,340.79

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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.