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Finding the Fourth Proportional to 365,993.28, 549,025.98 and 126,126.36

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Solution

The fourth proportional to 365,993.28, 549,025.98 and 126,126.36 is: 189,201.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,993.28 : 549,025.98 = 126,126.36 : x
  2. Step 2: Convert to fraction form
    365,993.28/549,025.98 = 126,126.36/x
  3. Step 3: Cross multiply
    365,993.28x = 549,025.98 × 126,126.36
  4. Step 4: Simplify right side
    365,993.28x = 69,246,648,402.83
  5. Step 5: Solve for x
    x = 69,246,648,402.83/365,993.28
  6. Step 6: Final answer
    x = 189,201.97

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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.