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Finding the Fourth Proportional to 59,861.70, 89,956.98 and 55,961.10

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Solution

The fourth proportional to 59,861.70, 89,956.98 and 55,961.10 is: 84,095.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,861.70 : 89,956.98 = 55,961.10 : x
  2. Step 2: Convert to fraction form
    59,861.70/89,956.98 = 55,961.10/x
  3. Step 3: Cross multiply
    59,861.70x = 89,956.98 × 55,961.10
  4. Step 4: Simplify right side
    59,861.70x = 5,034,091,553.48
  5. Step 5: Solve for x
    x = 5,034,091,553.48/59,861.70
  6. Step 6: Final answer
    x = 84,095.37

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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.