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Finding the Fourth Proportional to 232,175.43, 348,418.49 and 84,431.43

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Solution

The fourth proportional to 232,175.43, 348,418.49 and 84,431.43 is: 126,703.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,175.43 : 348,418.49 = 84,431.43 : x
  2. Step 2: Convert to fraction form
    232,175.43/348,418.49 = 84,431.43/x
  3. Step 3: Cross multiply
    232,175.43x = 348,418.49 × 84,431.43
  4. Step 4: Simplify right side
    232,175.43x = 29,417,470,926.98
  5. Step 5: Solve for x
    x = 29,417,470,926.98/232,175.43
  6. Step 6: Final answer
    x = 126,703.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.