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Finding the Fourth Proportional to 110,894.38, 167,089.76 and 91,604.86

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Solution

The fourth proportional to 110,894.38, 167,089.76 and 91,604.86 is: 138,025.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,894.38 : 167,089.76 = 91,604.86 : x
  2. Step 2: Convert to fraction form
    110,894.38/167,089.76 = 91,604.86/x
  3. Step 3: Cross multiply
    110,894.38x = 167,089.76 × 91,604.86
  4. Step 4: Simplify right side
    110,894.38x = 15,306,234,072.23
  5. Step 5: Solve for x
    x = 15,306,234,072.23/110,894.38
  6. Step 6: Final answer
    x = 138,025.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.