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Finding the Fourth Proportional to 60,969.33, 91,910.97 and 56,905.15

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Solution

The fourth proportional to 60,969.33, 91,910.97 and 56,905.15 is: 85,784.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,969.33 : 91,910.97 = 56,905.15 : x
  2. Step 2: Convert to fraction form
    60,969.33/91,910.97 = 56,905.15/x
  3. Step 3: Cross multiply
    60,969.33x = 91,910.97 × 56,905.15
  4. Step 4: Simplify right side
    60,969.33x = 5,230,207,249.97
  5. Step 5: Solve for x
    x = 5,230,207,249.97/60,969.33
  6. Step 6: Final answer
    x = 85,784.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.