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Finding the Fourth Proportional to 270,376.56, 373,147.68 and 155,659.28

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Solution

The fourth proportional to 270,376.56, 373,147.68 and 155,659.28 is: 214,825.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,376.56 : 373,147.68 = 155,659.28 : x
  2. Step 2: Convert to fraction form
    270,376.56/373,147.68 = 155,659.28/x
  3. Step 3: Cross multiply
    270,376.56x = 373,147.68 × 155,659.28
  4. Step 4: Simplify right side
    270,376.56x = 58,083,899,202.47
  5. Step 5: Solve for x
    x = 58,083,899,202.47/270,376.56
  6. Step 6: Final answer
    x = 214,825.94

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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.