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Finding the Fourth Proportional to 77,101.96, 106,388.62 and 44,843.72

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Solution

The fourth proportional to 77,101.96, 106,388.62 and 44,843.72 is: 61,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,101.96 : 106,388.62 = 44,843.72 : x
  2. Step 2: Convert to fraction form
    77,101.96/106,388.62 = 44,843.72/x
  3. Step 3: Cross multiply
    77,101.96x = 106,388.62 × 44,843.72
  4. Step 4: Simplify right side
    77,101.96x = 4,770,861,486.47
  5. Step 5: Solve for x
    x = 4,770,861,486.47/77,101.96
  6. Step 6: Final answer
    x = 61,877.30

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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.