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Finding the Fourth Proportional to 79,240.53, 118,874.64 and 34,866.14

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Solution

The fourth proportional to 79,240.53, 118,874.64 and 34,866.14 is: 52,305.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,240.53 : 118,874.64 = 34,866.14 : x
  2. Step 2: Convert to fraction form
    79,240.53/118,874.64 = 34,866.14/x
  3. Step 3: Cross multiply
    79,240.53x = 118,874.64 × 34,866.14
  4. Step 4: Simplify right side
    79,240.53x = 4,144,699,246.32
  5. Step 5: Solve for x
    x = 4,144,699,246.32/79,240.53
  6. Step 6: Final answer
    x = 52,305.29

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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.