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Finding the Fourth Proportional to 111,860.60, 167,755.19 and 36,966.78

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Solution

The fourth proportional to 111,860.60, 167,755.19 and 36,966.78 is: 55,438.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,860.60 : 167,755.19 = 36,966.78 : x
  2. Step 2: Convert to fraction form
    111,860.60/167,755.19 = 36,966.78/x
  3. Step 3: Cross multiply
    111,860.60x = 167,755.19 × 36,966.78
  4. Step 4: Simplify right side
    111,860.60x = 6,201,369,017.75
  5. Step 5: Solve for x
    x = 6,201,369,017.75/111,860.60
  6. Step 6: Final answer
    x = 55,438.37

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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.