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Finding the Fourth Proportional to 111,060, 166,607.32 and 36,162.46

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Solution

The fourth proportional to 111,060, 166,607.32 and 36,162.46 is: 54,249.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,060 : 166,607.32 = 36,162.46 : x
  2. Step 2: Convert to fraction form
    111,060/166,607.32 = 36,162.46/x
  3. Step 3: Cross multiply
    111,060x = 166,607.32 × 36,162.46
  4. Step 4: Simplify right side
    111,060x = 6,024,930,545.21
  5. Step 5: Solve for x
    x = 6,024,930,545.21/111,060
  6. Step 6: Final answer
    x = 54,249.33

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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.