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Finding the Fourth Proportional to 110,786.47, 152,884.53 and 60,485.47

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Solution

The fourth proportional to 110,786.47, 152,884.53 and 60,485.47 is: 83,469.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,786.47 : 152,884.53 = 60,485.47 : x
  2. Step 2: Convert to fraction form
    110,786.47/152,884.53 = 60,485.47/x
  3. Step 3: Cross multiply
    110,786.47x = 152,884.53 × 60,485.47
  4. Step 4: Simplify right side
    110,786.47x = 9,247,292,652.78
  5. Step 5: Solve for x
    x = 9,247,292,652.78/110,786.47
  6. Step 6: Final answer
    x = 83,469.51

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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.