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Finding the Fourth Proportional to 79,193.81, 118,829.16 and 34,814.81

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Solution

The fourth proportional to 79,193.81, 118,829.16 and 34,814.81 is: 52,239.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,193.81 : 118,829.16 = 34,814.81 : x
  2. Step 2: Convert to fraction form
    79,193.81/118,829.16 = 34,814.81/x
  3. Step 3: Cross multiply
    79,193.81x = 118,829.16 × 34,814.81
  4. Step 4: Simplify right side
    79,193.81x = 4,137,014,033.71
  5. Step 5: Solve for x
    x = 4,137,014,033.71/79,193.81
  6. Step 6: Final answer
    x = 52,239.11

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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.