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Finding the Fourth Proportional to 89,473.90, 134,112.44 and 36,854.68

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Solution

The fourth proportional to 89,473.90, 134,112.44 and 36,854.68 is: 55,241.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,473.90 : 134,112.44 = 36,854.68 : x
  2. Step 2: Convert to fraction form
    89,473.90/134,112.44 = 36,854.68/x
  3. Step 3: Cross multiply
    89,473.90x = 134,112.44 × 36,854.68
  4. Step 4: Simplify right side
    89,473.90x = 4,942,671,060.22
  5. Step 5: Solve for x
    x = 4,942,671,060.22/89,473.90
  6. Step 6: Final answer
    x = 55,241.48

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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.