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Finding the Fourth Proportional to 111,267.76, 166,901.64 and 27,027.40

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Solution

The fourth proportional to 111,267.76, 166,901.64 and 27,027.40 is: 40,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,267.76 : 166,901.64 = 27,027.40 : x
  2. Step 2: Convert to fraction form
    111,267.76/166,901.64 = 27,027.40/x
  3. Step 3: Cross multiply
    111,267.76x = 166,901.64 × 27,027.40
  4. Step 4: Simplify right side
    111,267.76x = 4,510,917,384.94
  5. Step 5: Solve for x
    x = 4,510,917,384.94/111,267.76
  6. Step 6: Final answer
    x = 40,541.10

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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.