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Finding the Fourth Proportional to 79,316.58, 118,939.89 and 37,162.71

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Solution

The fourth proportional to 79,316.58, 118,939.89 and 37,162.71 is: 55,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,316.58 : 118,939.89 = 37,162.71 : x
  2. Step 2: Convert to fraction form
    79,316.58/118,939.89 = 37,162.71/x
  3. Step 3: Cross multiply
    79,316.58x = 118,939.89 × 37,162.71
  4. Step 4: Simplify right side
    79,316.58x = 4,420,128,639.50
  5. Step 5: Solve for x
    x = 4,420,128,639.50/79,316.58
  6. Step 6: Final answer
    x = 55,727.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.