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Finding the Fourth Proportional to 111,206.12, 166,826.22 and 37,351.40

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Solution

The fourth proportional to 111,206.12, 166,826.22 and 37,351.40 is: 56,032.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,206.12 : 166,826.22 = 37,351.40 : x
  2. Step 2: Convert to fraction form
    111,206.12/166,826.22 = 37,351.40/x
  3. Step 3: Cross multiply
    111,206.12x = 166,826.22 × 37,351.40
  4. Step 4: Simplify right side
    111,206.12x = 6,231,192,873.71
  5. Step 5: Solve for x
    x = 6,231,192,873.71/111,206.12
  6. Step 6: Final answer
    x = 56,032.82

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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.