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Finding the Fourth Proportional to 111,207.95, 166,833.72 and 36,307.99

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Solution

The fourth proportional to 111,207.95, 166,833.72 and 36,307.99 is: 54,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,207.95 : 166,833.72 = 36,307.99 : x
  2. Step 2: Convert to fraction form
    111,207.95/166,833.72 = 36,307.99/x
  3. Step 3: Cross multiply
    111,207.95x = 166,833.72 × 36,307.99
  4. Step 4: Simplify right side
    111,207.95x = 6,057,397,037.42
  5. Step 5: Solve for x
    x = 6,057,397,037.42/111,207.95
  6. Step 6: Final answer
    x = 54,469.10

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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.