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Finding the Fourth Proportional to 243,392.43, 335,623.56 and 167,022.90

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Solution

The fourth proportional to 243,392.43, 335,623.56 and 167,022.90 is: 230,314.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,392.43 : 335,623.56 = 167,022.90 : x
  2. Step 2: Convert to fraction form
    243,392.43/335,623.56 = 167,022.90/x
  3. Step 3: Cross multiply
    243,392.43x = 335,623.56 × 167,022.90
  4. Step 4: Simplify right side
    243,392.43x = 56,056,820,299.52
  5. Step 5: Solve for x
    x = 56,056,820,299.52/243,392.43
  6. Step 6: Final answer
    x = 230,314.56

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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.