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Finding the Fourth Proportional to 293,109.60, 439,692.24 and 79,880.16

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Solution

The fourth proportional to 293,109.60, 439,692.24 and 79,880.16 is: 119,827.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,109.60 : 439,692.24 = 79,880.16 : x
  2. Step 2: Convert to fraction form
    293,109.60/439,692.24 = 79,880.16/x
  3. Step 3: Cross multiply
    293,109.60x = 439,692.24 × 79,880.16
  4. Step 4: Simplify right side
    293,109.60x = 35,122,686,481.96
  5. Step 5: Solve for x
    x = 35,122,686,481.96/293,109.60
  6. Step 6: Final answer
    x = 119,827.83

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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.