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Finding the Fourth Proportional to 111,734, 154,195.84 and 60,750.16

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Solution

The fourth proportional to 111,734, 154,195.84 and 60,750.16 is: 83,836.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,734 : 154,195.84 = 60,750.16 : x
  2. Step 2: Convert to fraction form
    111,734/154,195.84 = 60,750.16/x
  3. Step 3: Cross multiply
    111,734x = 154,195.84 × 60,750.16
  4. Step 4: Simplify right side
    111,734x = 9,367,421,951.33
  5. Step 5: Solve for x
    x = 9,367,421,951.33/111,734
  6. Step 6: Final answer
    x = 83,836.81

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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.