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Finding the Fourth Proportional to 111,570.67, 167,361.38 and 36,689.15

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Solution

The fourth proportional to 111,570.67, 167,361.38 and 36,689.15 is: 55,035.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,570.67 : 167,361.38 = 36,689.15 : x
  2. Step 2: Convert to fraction form
    111,570.67/167,361.38 = 36,689.15/x
  3. Step 3: Cross multiply
    111,570.67x = 167,361.38 × 36,689.15
  4. Step 4: Simplify right side
    111,570.67x = 6,140,346,775.03
  5. Step 5: Solve for x
    x = 6,140,346,775.03/111,570.67
  6. Step 6: Final answer
    x = 55,035.49

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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.