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Finding the Fourth Proportional to 111,283.48, 153,571.26 and 60,982.48

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Solution

The fourth proportional to 111,283.48, 153,571.26 and 60,982.48 is: 84,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,283.48 : 153,571.26 = 60,982.48 : x
  2. Step 2: Convert to fraction form
    111,283.48/153,571.26 = 60,982.48/x
  3. Step 3: Cross multiply
    111,283.48x = 153,571.26 × 60,982.48
  4. Step 4: Simplify right side
    111,283.48x = 9,365,156,291.52
  5. Step 5: Solve for x
    x = 9,365,156,291.52/111,283.48
  6. Step 6: Final answer
    x = 84,155.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.