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Finding the Fourth Proportional to 88,057.10, 132,081.01 and 28,884.98

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Solution

The fourth proportional to 88,057.10, 132,081.01 and 28,884.98 is: 43,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,057.10 : 132,081.01 = 28,884.98 : x
  2. Step 2: Convert to fraction form
    88,057.10/132,081.01 = 28,884.98/x
  3. Step 3: Cross multiply
    88,057.10x = 132,081.01 × 28,884.98
  4. Step 4: Simplify right side
    88,057.10x = 3,815,157,332.23
  5. Step 5: Solve for x
    x = 3,815,157,332.23/88,057.10
  6. Step 6: Final answer
    x = 43,325.95

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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.