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Finding the Fourth Proportional to 111,254.22, 166,918.59 and 36,377.82

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Solution

The fourth proportional to 111,254.22, 166,918.59 and 36,377.82 is: 54,578.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,254.22 : 166,918.59 = 36,377.82 : x
  2. Step 2: Convert to fraction form
    111,254.22/166,918.59 = 36,377.82/x
  3. Step 3: Cross multiply
    111,254.22x = 166,918.59 × 36,377.82
  4. Step 4: Simplify right side
    111,254.22x = 6,072,134,421.67
  5. Step 5: Solve for x
    x = 6,072,134,421.67/111,254.22
  6. Step 6: Final answer
    x = 54,578.91

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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.