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Finding the Fourth Proportional to 48,868.80, 73,208.88 and 29,163.12

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Solution

The fourth proportional to 48,868.80, 73,208.88 and 29,163.12 is: 43,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,868.80 : 73,208.88 = 29,163.12 : x
  2. Step 2: Convert to fraction form
    48,868.80/73,208.88 = 29,163.12/x
  3. Step 3: Cross multiply
    48,868.80x = 73,208.88 × 29,163.12
  4. Step 4: Simplify right side
    48,868.80x = 2,134,999,352.51
  5. Step 5: Solve for x
    x = 2,134,999,352.51/48,868.80
  6. Step 6: Final answer
    x = 43,688.39

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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.