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Finding the Fourth Proportional to 58,199.20, 87,169.20 and 50,423.20

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Solution

The fourth proportional to 58,199.20, 87,169.20 and 50,423.20 is: 75,522.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,199.20 : 87,169.20 = 50,423.20 : x
  2. Step 2: Convert to fraction form
    58,199.20/87,169.20 = 50,423.20/x
  3. Step 3: Cross multiply
    58,199.20x = 87,169.20 × 50,423.20
  4. Step 4: Simplify right side
    58,199.20x = 4,395,350,005.44
  5. Step 5: Solve for x
    x = 4,395,350,005.44/58,199.20
  6. Step 6: Final answer
    x = 75,522.52

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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.