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Finding the Fourth Proportional to 77,722.66, 107,259.69 and 44,190.82

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Solution

The fourth proportional to 77,722.66, 107,259.69 and 44,190.82 is: 60,984.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,722.66 : 107,259.69 = 44,190.82 : x
  2. Step 2: Convert to fraction form
    77,722.66/107,259.69 = 44,190.82/x
  3. Step 3: Cross multiply
    77,722.66x = 107,259.69 × 44,190.82
  4. Step 4: Simplify right side
    77,722.66x = 4,739,893,654.05
  5. Step 5: Solve for x
    x = 4,739,893,654.05/77,722.66
  6. Step 6: Final answer
    x = 60,984.71

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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.