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Finding the Fourth Proportional to 110,918.68, 153,067.44 and 60,617.68

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Solution

The fourth proportional to 110,918.68, 153,067.44 and 60,617.68 is: 83,652.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,918.68 : 153,067.44 = 60,617.68 : x
  2. Step 2: Convert to fraction form
    110,918.68/153,067.44 = 60,617.68/x
  3. Step 3: Cross multiply
    110,918.68x = 153,067.44 × 60,617.68
  4. Step 4: Simplify right side
    110,918.68x = 9,278,593,096.34
  5. Step 5: Solve for x
    x = 9,278,593,096.34/110,918.68
  6. Step 6: Final answer
    x = 83,652.21

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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.