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Finding the Fourth Proportional to 111,170.50, 153,415.10 and 60,183.21

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Solution

The fourth proportional to 111,170.50, 153,415.10 and 60,183.21 is: 83,052.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,170.50 : 153,415.10 = 60,183.21 : x
  2. Step 2: Convert to fraction form
    111,170.50/153,415.10 = 60,183.21/x
  3. Step 3: Cross multiply
    111,170.50x = 153,415.10 × 60,183.21
  4. Step 4: Simplify right side
    111,170.50x = 9,233,012,704.75
  5. Step 5: Solve for x
    x = 9,233,012,704.75/111,170.50
  6. Step 6: Final answer
    x = 83,052.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.