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Finding the Fourth Proportional to 110,889.72, 166,226.76 and 88,345.44

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Solution

The fourth proportional to 110,889.72, 166,226.76 and 88,345.44 is: 132,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,889.72 : 166,226.76 = 88,345.44 : x
  2. Step 2: Convert to fraction form
    110,889.72/166,226.76 = 88,345.44/x
  3. Step 3: Cross multiply
    110,889.72x = 166,226.76 × 88,345.44
  4. Step 4: Simplify right side
    110,889.72x = 14,685,376,251.97
  5. Step 5: Solve for x
    x = 14,685,376,251.97/110,889.72
  6. Step 6: Final answer
    x = 132,432.26

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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.