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Finding the Fourth Proportional to 111,166.55, 166,780.86 and 44,653.38

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Solution

The fourth proportional to 111,166.55, 166,780.86 and 44,653.38 is: 66,992.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,166.55 : 166,780.86 = 44,653.38 : x
  2. Step 2: Convert to fraction form
    111,166.55/166,780.86 = 44,653.38/x
  3. Step 3: Cross multiply
    111,166.55x = 166,780.86 × 44,653.38
  4. Step 4: Simplify right side
    111,166.55x = 7,447,329,423.63
  5. Step 5: Solve for x
    x = 7,447,329,423.63/111,166.55
  6. Step 6: Final answer
    x = 66,992.54

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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.