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Finding the Fourth Proportional to 89,765.76, 134,711.08 and 37,175.52

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Solution

The fourth proportional to 89,765.76, 134,711.08 and 37,175.52 is: 55,789.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,765.76 : 134,711.08 = 37,175.52 : x
  2. Step 2: Convert to fraction form
    89,765.76/134,711.08 = 37,175.52/x
  3. Step 3: Cross multiply
    89,765.76x = 134,711.08 × 37,175.52
  4. Step 4: Simplify right side
    89,765.76x = 5,007,954,448.76
  5. Step 5: Solve for x
    x = 5,007,954,448.76/89,765.76
  6. Step 6: Final answer
    x = 55,789.14

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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.