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Finding the Fourth Proportional to 366,173.76, 549,205.92 and 126,325.44

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Solution

The fourth proportional to 366,173.76, 549,205.92 and 126,325.44 is: 189,469.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,173.76 : 549,205.92 = 126,325.44 : x
  2. Step 2: Convert to fraction form
    366,173.76/549,205.92 = 126,325.44/x
  3. Step 3: Cross multiply
    366,173.76x = 549,205.92 × 126,325.44
  4. Step 4: Simplify right side
    366,173.76x = 69,378,679,494.60
  5. Step 5: Solve for x
    x = 69,378,679,494.60/366,173.76
  6. Step 6: Final answer
    x = 189,469.28

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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.