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Finding the Fourth Proportional to 270,773.97, 373,707.42 and 156,030.28

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Solution

The fourth proportional to 270,773.97, 373,707.42 and 156,030.28 is: 215,344.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,773.97 : 373,707.42 = 156,030.28 : x
  2. Step 2: Convert to fraction form
    270,773.97/373,707.42 = 156,030.28/x
  3. Step 3: Cross multiply
    270,773.97x = 373,707.42 × 156,030.28
  4. Step 4: Simplify right side
    270,773.97x = 58,309,673,380.68
  5. Step 5: Solve for x
    x = 58,309,673,380.68/270,773.97
  6. Step 6: Final answer
    x = 215,344.46

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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.