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Finding the Fourth Proportional to 89,473.53, 134,111.87 and 36,854.31

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Solution

The fourth proportional to 89,473.53, 134,111.87 and 36,854.31 is: 55,240.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,473.53 : 134,111.87 = 36,854.31 : x
  2. Step 2: Convert to fraction form
    89,473.53/134,111.87 = 36,854.31/x
  3. Step 3: Cross multiply
    89,473.53x = 134,111.87 × 36,854.31
  4. Step 4: Simplify right side
    89,473.53x = 4,942,600,134.13
  5. Step 5: Solve for x
    x = 4,942,600,134.13/89,473.53
  6. Step 6: Final answer
    x = 55,240.92

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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.