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Finding the Fourth Proportional to 270,971.92, 373,940.04 and 156,250

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Solution

The fourth proportional to 270,971.92, 373,940.04 and 156,250 is: 215,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,971.92 : 373,940.04 = 156,250 : x
  2. Step 2: Convert to fraction form
    270,971.92/373,940.04 = 156,250/x
  3. Step 3: Cross multiply
    270,971.92x = 373,940.04 × 156,250
  4. Step 4: Simplify right side
    270,971.92x = 58,428,131,250
  5. Step 5: Solve for x
    x = 58,428,131,250/270,971.92
  6. Step 6: Final answer
    x = 215,624.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.