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Finding the Fourth Proportional to 252,706.10, 379,057.61 and 63,165.51

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Solution

The fourth proportional to 252,706.10, 379,057.61 and 63,165.51 is: 94,747.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,706.10 : 379,057.61 = 63,165.51 : x
  2. Step 2: Convert to fraction form
    252,706.10/379,057.61 = 63,165.51/x
  3. Step 3: Cross multiply
    252,706.10x = 379,057.61 × 63,165.51
  4. Step 4: Simplify right side
    252,706.10x = 23,943,366,939.20
  5. Step 5: Solve for x
    x = 23,943,366,939.20/252,706.10
  6. Step 6: Final answer
    x = 94,747.88

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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.