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Finding the Fourth Proportional to 243,047.89, 335,532.19 and 177,563.27

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Solution

The fourth proportional to 243,047.89, 335,532.19 and 177,563.27 is: 245,129.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,047.89 : 335,532.19 = 177,563.27 : x
  2. Step 2: Convert to fraction form
    243,047.89/335,532.19 = 177,563.27/x
  3. Step 3: Cross multiply
    243,047.89x = 335,532.19 × 177,563.27
  4. Step 4: Simplify right side
    243,047.89x = 59,578,192,846.66
  5. Step 5: Solve for x
    x = 59,578,192,846.66/243,047.89
  6. Step 6: Final answer
    x = 245,129.44

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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.