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Finding the Fourth Proportional to 111,301.98, 166,980.24 and 36,426.12

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Solution

The fourth proportional to 111,301.98, 166,980.24 and 36,426.12 is: 54,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,301.98 : 166,980.24 = 36,426.12 : x
  2. Step 2: Convert to fraction form
    111,301.98/166,980.24 = 36,426.12/x
  3. Step 3: Cross multiply
    111,301.98x = 166,980.24 × 36,426.12
  4. Step 4: Simplify right side
    111,301.98x = 6,082,442,259.87
  5. Step 5: Solve for x
    x = 6,082,442,259.87/111,301.98
  6. Step 6: Final answer
    x = 54,648.10

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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.