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Finding the Fourth Proportional to 123,046.20, 184,655.70 and 52,975.80

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Solution

The fourth proportional to 123,046.20, 184,655.70 and 52,975.80 is: 79,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,046.20 : 184,655.70 = 52,975.80 : x
  2. Step 2: Convert to fraction form
    123,046.20/184,655.70 = 52,975.80/x
  3. Step 3: Cross multiply
    123,046.20x = 184,655.70 × 52,975.80
  4. Step 4: Simplify right side
    123,046.20x = 9,782,283,432.06
  5. Step 5: Solve for x
    x = 9,782,283,432.06/123,046.20
  6. Step 6: Final answer
    x = 79,500.90

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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.