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Finding the Fourth Proportional to 193,244.20, 289,866.30 and 53,002.60

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Solution

The fourth proportional to 193,244.20, 289,866.30 and 53,002.60 is: 79,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,244.20 : 289,866.30 = 53,002.60 : x
  2. Step 2: Convert to fraction form
    193,244.20/289,866.30 = 53,002.60/x
  3. Step 3: Cross multiply
    193,244.20x = 289,866.30 × 53,002.60
  4. Step 4: Simplify right side
    193,244.20x = 15,363,667,552.38
  5. Step 5: Solve for x
    x = 15,363,667,552.38/193,244.20
  6. Step 6: Final answer
    x = 79,503.90

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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.