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Finding the Fourth Proportional to 77,656.92, 107,166 and 44,122.92

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Solution

The fourth proportional to 77,656.92, 107,166 and 44,122.92 is: 60,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,656.92 : 107,166 = 44,122.92 : x
  2. Step 2: Convert to fraction form
    77,656.92/107,166 = 44,122.92/x
  3. Step 3: Cross multiply
    77,656.92x = 107,166 × 44,122.92
  4. Step 4: Simplify right side
    77,656.92x = 4,728,476,844.72
  5. Step 5: Solve for x
    x = 4,728,476,844.72/77,656.92
  6. Step 6: Final answer
    x = 60,889.32

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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.