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Finding the Fourth Proportional to 60,845.76, 91,193.28 and 34,470.54

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Solution

The fourth proportional to 60,845.76, 91,193.28 and 34,470.54 is: 51,663.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,845.76 : 91,193.28 = 34,470.54 : x
  2. Step 2: Convert to fraction form
    60,845.76/91,193.28 = 34,470.54/x
  3. Step 3: Cross multiply
    60,845.76x = 91,193.28 × 34,470.54
  4. Step 4: Simplify right side
    60,845.76x = 3,143,481,605.97
  5. Step 5: Solve for x
    x = 3,143,481,605.97/60,845.76
  6. Step 6: Final answer
    x = 51,663.12

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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.