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Finding the Fourth Proportional to 263,973.72, 364,188.24 and 173,378.82

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Solution

The fourth proportional to 263,973.72, 364,188.24 and 173,378.82 is: 239,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,973.72 : 364,188.24 = 173,378.82 : x
  2. Step 2: Convert to fraction form
    263,973.72/364,188.24 = 173,378.82/x
  3. Step 3: Cross multiply
    263,973.72x = 364,188.24 × 173,378.82
  4. Step 4: Simplify right side
    263,973.72x = 63,142,527,309.08
  5. Step 5: Solve for x
    x = 63,142,527,309.08/263,973.72
  6. Step 6: Final answer
    x = 239,200.05

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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.