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Finding the Fourth Proportional to 77,654.67, 107,162.91 and 44,120.67

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Solution

The fourth proportional to 77,654.67, 107,162.91 and 44,120.67 is: 60,886.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,654.67 : 107,162.91 = 44,120.67 : x
  2. Step 2: Convert to fraction form
    77,654.67/107,162.91 = 44,120.67/x
  3. Step 3: Cross multiply
    77,654.67x = 107,162.91 × 44,120.67
  4. Step 4: Simplify right side
    77,654.67x = 4,728,099,388.35
  5. Step 5: Solve for x
    x = 4,728,099,388.35/77,654.67
  6. Step 6: Final answer
    x = 60,886.22

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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.