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Finding the Fourth Proportional to 111,055.66, 153,260.42 and 60,754.66

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Solution

The fourth proportional to 111,055.66, 153,260.42 and 60,754.66 is: 83,843.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,055.66 : 153,260.42 = 60,754.66 : x
  2. Step 2: Convert to fraction form
    111,055.66/153,260.42 = 60,754.66/x
  3. Step 3: Cross multiply
    111,055.66x = 153,260.42 × 60,754.66
  4. Step 4: Simplify right side
    111,055.66x = 9,311,284,708.56
  5. Step 5: Solve for x
    x = 9,311,284,708.56/111,055.66
  6. Step 6: Final answer
    x = 83,843.41

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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.