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Finding the Fourth Proportional to 79,224.41, 118,756.60 and 49,662.97

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Solution

The fourth proportional to 79,224.41, 118,756.60 and 49,662.97 is: 74,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,224.41 : 118,756.60 = 49,662.97 : x
  2. Step 2: Convert to fraction form
    79,224.41/118,756.60 = 49,662.97/x
  3. Step 3: Cross multiply
    79,224.41x = 118,756.60 × 49,662.97
  4. Step 4: Simplify right side
    79,224.41x = 5,897,805,463.10
  5. Step 5: Solve for x
    x = 5,897,805,463.10/79,224.41
  6. Step 6: Final answer
    x = 74,444.30

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Why These Related Problems?

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