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Finding the Fourth Proportional to 52,751.24, 79,171.12 and 49,425.98

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Solution

The fourth proportional to 52,751.24, 79,171.12 and 49,425.98 is: 74,180.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,751.24 : 79,171.12 = 49,425.98 : x
  2. Step 2: Convert to fraction form
    52,751.24/79,171.12 = 49,425.98/x
  3. Step 3: Cross multiply
    52,751.24x = 79,171.12 × 49,425.98
  4. Step 4: Simplify right side
    52,751.24x = 3,913,109,970.96
  5. Step 5: Solve for x
    x = 3,913,109,970.96/52,751.24
  6. Step 6: Final answer
    x = 74,180.43

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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.