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Finding the Fourth Proportional to 110,057.85, 151,879.41 and 62,315.64

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Solution

The fourth proportional to 110,057.85, 151,879.41 and 62,315.64 is: 85,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,057.85 : 151,879.41 = 62,315.64 : x
  2. Step 2: Convert to fraction form
    110,057.85/151,879.41 = 62,315.64/x
  3. Step 3: Cross multiply
    110,057.85x = 151,879.41 × 62,315.64
  4. Step 4: Simplify right side
    110,057.85x = 9,464,462,636.97
  5. Step 5: Solve for x
    x = 9,464,462,636.97/110,057.85
  6. Step 6: Final answer
    x = 85,995.34

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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.