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Finding the Fourth Proportional to 243,469.26, 335,965.73 and 136,024.38

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Solution

The fourth proportional to 243,469.26, 335,965.73 and 136,024.38 is: 187,701.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,469.26 : 335,965.73 = 136,024.38 : x
  2. Step 2: Convert to fraction form
    243,469.26/335,965.73 = 136,024.38/x
  3. Step 3: Cross multiply
    243,469.26x = 335,965.73 × 136,024.38
  4. Step 4: Simplify right side
    243,469.26x = 45,699,529,444.38
  5. Step 5: Solve for x
    x = 45,699,529,444.38/243,469.26
  6. Step 6: Final answer
    x = 187,701.43

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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.