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Finding the Fourth Proportional to 111,337.80, 167,022.90 and 36,439.80

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Solution

The fourth proportional to 111,337.80, 167,022.90 and 36,439.80 is: 54,665.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,337.80 : 167,022.90 = 36,439.80 : x
  2. Step 2: Convert to fraction form
    111,337.80/167,022.90 = 36,439.80/x
  3. Step 3: Cross multiply
    111,337.80x = 167,022.90 × 36,439.80
  4. Step 4: Simplify right side
    111,337.80x = 6,086,281,071.42
  5. Step 5: Solve for x
    x = 6,086,281,071.42/111,337.80
  6. Step 6: Final answer
    x = 54,665.00

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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.