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Finding the Fourth Proportional to 111,154.08, 166,748.55 and 36,256.94

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Solution

The fourth proportional to 111,154.08, 166,748.55 and 36,256.94 is: 54,391.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,154.08 : 166,748.55 = 36,256.94 : x
  2. Step 2: Convert to fraction form
    111,154.08/166,748.55 = 36,256.94/x
  3. Step 3: Cross multiply
    111,154.08x = 166,748.55 × 36,256.94
  4. Step 4: Simplify right side
    111,154.08x = 6,045,791,338.69
  5. Step 5: Solve for x
    x = 6,045,791,338.69/111,154.08
  6. Step 6: Final answer
    x = 54,391.09

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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.