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Finding the Fourth Proportional to 76,597.28, 105,700.82 and 44,326.78

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Solution

The fourth proportional to 76,597.28, 105,700.82 and 44,326.78 is: 61,168.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,597.28 : 105,700.82 = 44,326.78 : x
  2. Step 2: Convert to fraction form
    76,597.28/105,700.82 = 44,326.78/x
  3. Step 3: Cross multiply
    76,597.28x = 105,700.82 × 44,326.78
  4. Step 4: Simplify right side
    76,597.28x = 4,685,376,993.96
  5. Step 5: Solve for x
    x = 4,685,376,993.96/76,597.28
  6. Step 6: Final answer
    x = 61,168.97

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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.