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Finding the Fourth Proportional to 89,262.88, 133,888.82 and 36,671

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Solution

The fourth proportional to 89,262.88, 133,888.82 and 36,671 is: 55,004.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,262.88 : 133,888.82 = 36,671 : x
  2. Step 2: Convert to fraction form
    89,262.88/133,888.82 = 36,671/x
  3. Step 3: Cross multiply
    89,262.88x = 133,888.82 × 36,671
  4. Step 4: Simplify right side
    89,262.88x = 4,909,836,918.22
  5. Step 5: Solve for x
    x = 4,909,836,918.22/89,262.88
  6. Step 6: Final answer
    x = 55,004.24

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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.