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Finding the Fourth Proportional to 111,200.80, 166,803.36 and 36,321.16

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Solution

The fourth proportional to 111,200.80, 166,803.36 and 36,321.16 is: 54,482.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,200.80 : 166,803.36 = 36,321.16 : x
  2. Step 2: Convert to fraction form
    111,200.80/166,803.36 = 36,321.16/x
  3. Step 3: Cross multiply
    111,200.80x = 166,803.36 × 36,321.16
  4. Step 4: Simplify right side
    111,200.80x = 6,058,491,527.10
  5. Step 5: Solve for x
    x = 6,058,491,527.10/111,200.80
  6. Step 6: Final answer
    x = 54,482.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.