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Finding the Fourth Proportional to 111,108.60, 166,687.20 and 36,232.20

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Solution

The fourth proportional to 111,108.60, 166,687.20 and 36,232.20 is: 54,356.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,108.60 : 166,687.20 = 36,232.20 : x
  2. Step 2: Convert to fraction form
    111,108.60/166,687.20 = 36,232.20/x
  3. Step 3: Cross multiply
    111,108.60x = 166,687.20 × 36,232.20
  4. Step 4: Simplify right side
    111,108.60x = 6,039,443,967.84
  5. Step 5: Solve for x
    x = 6,039,443,967.84/111,108.60
  6. Step 6: Final answer
    x = 54,356.22

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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.