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Finding the Fourth Proportional to 76,490.41, 105,540.53 and 44,644.96

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Solution

The fourth proportional to 76,490.41, 105,540.53 and 44,644.96 is: 61,600.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,490.41 : 105,540.53 = 44,644.96 : x
  2. Step 2: Convert to fraction form
    76,490.41/105,540.53 = 44,644.96/x
  3. Step 3: Cross multiply
    76,490.41x = 105,540.53 × 44,644.96
  4. Step 4: Simplify right side
    76,490.41x = 4,711,852,740.23
  5. Step 5: Solve for x
    x = 4,711,852,740.23/76,490.41
  6. Step 6: Final answer
    x = 61,600.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.