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Finding the Fourth Proportional to 79,142.48, 118,712.76 and 23,738

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Solution

The fourth proportional to 79,142.48, 118,712.76 and 23,738 is: 35,606.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,142.48 : 118,712.76 = 23,738 : x
  2. Step 2: Convert to fraction form
    79,142.48/118,712.76 = 23,738/x
  3. Step 3: Cross multiply
    79,142.48x = 118,712.76 × 23,738
  4. Step 4: Simplify right side
    79,142.48x = 2,818,003,496.88
  5. Step 5: Solve for x
    x = 2,818,003,496.88/79,142.48
  6. Step 6: Final answer
    x = 35,606.71

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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.