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Finding the Fourth Proportional to 111,259.61, 166,899.67 and 36,380.14

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Solution

The fourth proportional to 111,259.61, 166,899.67 and 36,380.14 is: 54,573.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,259.61 : 166,899.67 = 36,380.14 : x
  2. Step 2: Convert to fraction form
    111,259.61/166,899.67 = 36,380.14/x
  3. Step 3: Cross multiply
    111,259.61x = 166,899.67 × 36,380.14
  4. Step 4: Simplify right side
    111,259.61x = 6,071,833,360.55
  5. Step 5: Solve for x
    x = 6,071,833,360.55/111,259.61
  6. Step 6: Final answer
    x = 54,573.56

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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.