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Finding the Fourth Proportional to 111,224.40, 166,839.36 and 32,339.40

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Solution

The fourth proportional to 111,224.40, 166,839.36 and 32,339.40 is: 48,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,224.40 : 166,839.36 = 32,339.40 : x
  2. Step 2: Convert to fraction form
    111,224.40/166,839.36 = 32,339.40/x
  3. Step 3: Cross multiply
    111,224.40x = 166,839.36 × 32,339.40
  4. Step 4: Simplify right side
    111,224.40x = 5,395,484,798.78
  5. Step 5: Solve for x
    x = 5,395,484,798.78/111,224.40
  6. Step 6: Final answer
    x = 48,509.90

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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.