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Finding the Fourth Proportional to 175,805.78, 263,679.51 and 63,464.45

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Solution

The fourth proportional to 175,805.78, 263,679.51 and 63,464.45 is: 95,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,805.78 : 263,679.51 = 63,464.45 : x
  2. Step 2: Convert to fraction form
    175,805.78/263,679.51 = 63,464.45/x
  3. Step 3: Cross multiply
    175,805.78x = 263,679.51 × 63,464.45
  4. Step 4: Simplify right side
    175,805.78x = 16,734,275,078.42
  5. Step 5: Solve for x
    x = 16,734,275,078.42/175,805.78
  6. Step 6: Final answer
    x = 95,186.15

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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.