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Finding the Fourth Proportional to 88,625.80, 133,016.46 and 49,227.40

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Solution

The fourth proportional to 88,625.80, 133,016.46 and 49,227.40 is: 73,884.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,625.80 : 133,016.46 = 49,227.40 : x
  2. Step 2: Convert to fraction form
    88,625.80/133,016.46 = 49,227.40/x
  3. Step 3: Cross multiply
    88,625.80x = 133,016.46 × 49,227.40
  4. Step 4: Simplify right side
    88,625.80x = 6,548,054,483.00
  5. Step 5: Solve for x
    x = 6,548,054,483.00/88,625.80
  6. Step 6: Final answer
    x = 73,884.29

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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.