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Finding the Fourth Proportional to 79,101.71, 118,666.23 and 34,732.94

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Solution

The fourth proportional to 79,101.71, 118,666.23 and 34,732.94 is: 52,105.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,101.71 : 118,666.23 = 34,732.94 : x
  2. Step 2: Convert to fraction form
    79,101.71/118,666.23 = 34,732.94/x
  3. Step 3: Cross multiply
    79,101.71x = 118,666.23 × 34,732.94
  4. Step 4: Simplify right side
    79,101.71x = 4,121,627,343.28
  5. Step 5: Solve for x
    x = 4,121,627,343.28/79,101.71
  6. Step 6: Final answer
    x = 52,105.42

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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.