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Finding the Fourth Proportional to 111,019.68, 166,529.52 and 64,247.04

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Solution

The fourth proportional to 111,019.68, 166,529.52 and 64,247.04 is: 96,370.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,019.68 : 166,529.52 = 64,247.04 : x
  2. Step 2: Convert to fraction form
    111,019.68/166,529.52 = 64,247.04/x
  3. Step 3: Cross multiply
    111,019.68x = 166,529.52 × 64,247.04
  4. Step 4: Simplify right side
    111,019.68x = 10,699,028,732.62
  5. Step 5: Solve for x
    x = 10,699,028,732.62/111,019.68
  6. Step 6: Final answer
    x = 96,370.56

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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.