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Finding the Fourth Proportional to 69,249.94, 103,884.93 and 21,848.94

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Solution

The fourth proportional to 69,249.94, 103,884.93 and 21,848.94 is: 32,776.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,249.94 : 103,884.93 = 21,848.94 : x
  2. Step 2: Convert to fraction form
    69,249.94/103,884.93 = 21,848.94/x
  3. Step 3: Cross multiply
    69,249.94x = 103,884.93 × 21,848.94
  4. Step 4: Simplify right side
    69,249.94x = 2,269,775,602.47
  5. Step 5: Solve for x
    x = 2,269,775,602.47/69,249.94
  6. Step 6: Final answer
    x = 32,776.57

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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.