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Finding the Fourth Proportional to 111,130.88, 167,057.58 and 89,184.74

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Solution

The fourth proportional to 111,130.88, 167,057.58 and 89,184.74 is: 134,067.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,130.88 : 167,057.58 = 89,184.74 : x
  2. Step 2: Convert to fraction form
    111,130.88/167,057.58 = 89,184.74/x
  3. Step 3: Cross multiply
    111,130.88x = 167,057.58 × 89,184.74
  4. Step 4: Simplify right side
    111,130.88x = 14,898,986,837.33
  5. Step 5: Solve for x
    x = 14,898,986,837.33/111,130.88
  6. Step 6: Final answer
    x = 134,067.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.