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Finding the Fourth Proportional to 119,494.48, 179,241.72 and 36,389.20

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Solution

The fourth proportional to 119,494.48, 179,241.72 and 36,389.20 is: 54,583.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,494.48 : 179,241.72 = 36,389.20 : x
  2. Step 2: Convert to fraction form
    119,494.48/179,241.72 = 36,389.20/x
  3. Step 3: Cross multiply
    119,494.48x = 179,241.72 × 36,389.20
  4. Step 4: Simplify right side
    119,494.48x = 6,522,462,797.42
  5. Step 5: Solve for x
    x = 6,522,462,797.42/119,494.48
  6. Step 6: Final answer
    x = 54,583.80

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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.