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Finding the Fourth Proportional to 89,166.57, 133,748.52 and 21,699.24

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Solution

The fourth proportional to 89,166.57, 133,748.52 and 21,699.24 is: 32,548.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,166.57 : 133,748.52 = 21,699.24 : x
  2. Step 2: Convert to fraction form
    89,166.57/133,748.52 = 21,699.24/x
  3. Step 3: Cross multiply
    89,166.57x = 133,748.52 × 21,699.24
  4. Step 4: Simplify right side
    89,166.57x = 2,902,241,235.12
  5. Step 5: Solve for x
    x = 2,902,241,235.12/89,166.57
  6. Step 6: Final answer
    x = 32,548.54

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1.5x scale

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.