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Finding the Fourth Proportional to 241,821.91, 333,711.82 and 134,389.78

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Solution

The fourth proportional to 241,821.91, 333,711.82 and 134,389.78 is: 185,456.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,821.91 : 333,711.82 = 134,389.78 : x
  2. Step 2: Convert to fraction form
    241,821.91/333,711.82 = 134,389.78/x
  3. Step 3: Cross multiply
    241,821.91x = 333,711.82 × 134,389.78
  4. Step 4: Simplify right side
    241,821.91x = 44,847,459,662.01
  5. Step 5: Solve for x
    x = 44,847,459,662.01/241,821.91
  6. Step 6: Final answer
    x = 185,456.56

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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.