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Finding the Fourth Proportional to 88,151.66, 132,231.74 and 28,986.02

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Solution

The fourth proportional to 88,151.66, 132,231.74 and 28,986.02 is: 43,480.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,151.66 : 132,231.74 = 28,986.02 : x
  2. Step 2: Convert to fraction form
    88,151.66/132,231.74 = 28,986.02/x
  3. Step 3: Cross multiply
    88,151.66x = 132,231.74 × 28,986.02
  4. Step 4: Simplify right side
    88,151.66x = 3,832,871,860.27
  5. Step 5: Solve for x
    x = 3,832,871,860.27/88,151.66
  6. Step 6: Final answer
    x = 43,480.43

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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.