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Finding the Fourth Proportional to 89,893.73, 134,900.78 and 37,303.26

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Solution

The fourth proportional to 89,893.73, 134,900.78 and 37,303.26 is: 55,979.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,893.73 : 134,900.78 = 37,303.26 : x
  2. Step 2: Convert to fraction form
    89,893.73/134,900.78 = 37,303.26/x
  3. Step 3: Cross multiply
    89,893.73x = 134,900.78 × 37,303.26
  4. Step 4: Simplify right side
    89,893.73x = 5,032,238,684.03
  5. Step 5: Solve for x
    x = 5,032,238,684.03/89,893.73
  6. Step 6: Final answer
    x = 55,979.87

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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.