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Finding the Fourth Proportional to 164,119.05, 246,178.58 and 111,631.05

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Solution

The fourth proportional to 164,119.05, 246,178.58 and 111,631.05 is: 167,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,119.05 : 246,178.58 = 111,631.05 : x
  2. Step 2: Convert to fraction form
    164,119.05/246,178.58 = 111,631.05/x
  3. Step 3: Cross multiply
    164,119.05x = 246,178.58 × 111,631.05
  4. Step 4: Simplify right side
    164,119.05x = 27,481,172,814.75
  5. Step 5: Solve for x
    x = 27,481,172,814.75/164,119.05
  6. Step 6: Final answer
    x = 167,446.58

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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.