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Finding the Fourth Proportional to 111,161.76, 166,770.16 and 32,281.76

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Solution

The fourth proportional to 111,161.76, 166,770.16 and 32,281.76 is: 48,430.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,161.76 : 166,770.16 = 32,281.76 : x
  2. Step 2: Convert to fraction form
    111,161.76/166,770.16 = 32,281.76/x
  3. Step 3: Cross multiply
    111,161.76x = 166,770.16 × 32,281.76
  4. Step 4: Simplify right side
    111,161.76x = 5,383,634,280.28
  5. Step 5: Solve for x
    x = 5,383,634,280.28/111,161.76
  6. Step 6: Final answer
    x = 48,430.63

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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.