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Finding the Fourth Proportional to 366,071.16, 548,951.22 and 126,211.32

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Solution

The fourth proportional to 366,071.16, 548,951.22 and 126,211.32 is: 189,263.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,071.16 : 548,951.22 = 126,211.32 : x
  2. Step 2: Convert to fraction form
    366,071.16/548,951.22 = 126,211.32/x
  3. Step 3: Cross multiply
    366,071.16x = 548,951.22 × 126,211.32
  4. Step 4: Simplify right side
    366,071.16x = 69,283,858,091.81
  5. Step 5: Solve for x
    x = 69,283,858,091.81/366,071.16
  6. Step 6: Final answer
    x = 189,263.36

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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.