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Finding the Fourth Proportional to 270,187.74, 372,873.24 and 155,483.85

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Solution

The fourth proportional to 270,187.74, 372,873.24 and 155,483.85 is: 214,575.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,187.74 : 372,873.24 = 155,483.85 : x
  2. Step 2: Convert to fraction form
    270,187.74/372,873.24 = 155,483.85/x
  3. Step 3: Cross multiply
    270,187.74x = 372,873.24 × 155,483.85
  4. Step 4: Simplify right side
    270,187.74x = 57,975,766,917.17
  5. Step 5: Solve for x
    x = 57,975,766,917.17/270,187.74
  6. Step 6: Final answer
    x = 214,575.86

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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.