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Finding the Fourth Proportional to 366,081.92, 549,132.48 and 126,193.28

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Solution

The fourth proportional to 366,081.92, 549,132.48 and 126,193.28 is: 189,293.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,081.92 : 549,132.48 = 126,193.28 : x
  2. Step 2: Convert to fraction form
    366,081.92/549,132.48 = 126,193.28/x
  3. Step 3: Cross multiply
    366,081.92x = 549,132.48 × 126,193.28
  4. Step 4: Simplify right side
    366,081.92x = 69,296,828,805.73
  5. Step 5: Solve for x
    x = 69,296,828,805.73/366,081.92
  6. Step 6: Final answer
    x = 189,293.23

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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.