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Finding the Fourth Proportional to 270,905.82, 373,853.99 and 156,182.49

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Solution

The fourth proportional to 270,905.82, 373,853.99 and 156,182.49 is: 215,534.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,905.82 : 373,853.99 = 156,182.49 : x
  2. Step 2: Convert to fraction form
    270,905.82/373,853.99 = 156,182.49/x
  3. Step 3: Cross multiply
    270,905.82x = 373,853.99 × 156,182.49
  4. Step 4: Simplify right side
    270,905.82x = 58,389,446,273.72
  5. Step 5: Solve for x
    x = 58,389,446,273.72/270,905.82
  6. Step 6: Final answer
    x = 215,534.12

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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.