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Finding the Fourth Proportional to 88,149.66, 132,228.74 and 28,984.02

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Solution

The fourth proportional to 88,149.66, 132,228.74 and 28,984.02 is: 43,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,149.66 : 132,228.74 = 28,984.02 : x
  2. Step 2: Convert to fraction form
    88,149.66/132,228.74 = 28,984.02/x
  3. Step 3: Cross multiply
    88,149.66x = 132,228.74 × 28,984.02
  4. Step 4: Simplify right side
    88,149.66x = 3,832,520,444.73
  5. Step 5: Solve for x
    x = 3,832,520,444.73/88,149.66
  6. Step 6: Final answer
    x = 43,477.43

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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.