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Finding the Fourth Proportional to 367,423.58, 550,969.14 and 130,772.54

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Solution

The fourth proportional to 367,423.58, 550,969.14 and 130,772.54 is: 196,099.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,423.58 : 550,969.14 = 130,772.54 : x
  2. Step 2: Convert to fraction form
    367,423.58/550,969.14 = 130,772.54/x
  3. Step 3: Cross multiply
    367,423.58x = 550,969.14 × 130,772.54
  4. Step 4: Simplify right side
    367,423.58x = 72,051,633,899.42
  5. Step 5: Solve for x
    x = 72,051,633,899.42/367,423.58
  6. Step 6: Final answer
    x = 196,099.65

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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.