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Finding the Fourth Proportional to 111,245.25, 166,866.36 and 27,006.06

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Solution

The fourth proportional to 111,245.25, 166,866.36 and 27,006.06 is: 40,508.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,245.25 : 166,866.36 = 27,006.06 : x
  2. Step 2: Convert to fraction form
    111,245.25/166,866.36 = 27,006.06/x
  3. Step 3: Cross multiply
    111,245.25x = 166,866.36 × 27,006.06
  4. Step 4: Simplify right side
    111,245.25x = 4,506,402,930.14
  5. Step 5: Solve for x
    x = 4,506,402,930.14/111,245.25
  6. Step 6: Final answer
    x = 40,508.72

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1.5x scale

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.