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Finding the Fourth Proportional to 88,736.76, 133,101.36 and 36,147.24

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Solution

The fourth proportional to 88,736.76, 133,101.36 and 36,147.24 is: 54,219.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,736.76 : 133,101.36 = 36,147.24 : x
  2. Step 2: Convert to fraction form
    88,736.76/133,101.36 = 36,147.24/x
  3. Step 3: Cross multiply
    88,736.76x = 133,101.36 × 36,147.24
  4. Step 4: Simplify right side
    88,736.76x = 4,811,246,804.25
  5. Step 5: Solve for x
    x = 4,811,246,804.25/88,736.76
  6. Step 6: Final answer
    x = 54,219.32

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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.