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Finding the Fourth Proportional to 270,978.20, 373,927.96 and 150,124.58

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Solution

The fourth proportional to 270,978.20, 373,927.96 and 150,124.58 is: 207,159.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,978.20 : 373,927.96 = 150,124.58 : x
  2. Step 2: Convert to fraction form
    270,978.20/373,927.96 = 150,124.58/x
  3. Step 3: Cross multiply
    270,978.20x = 373,927.96 × 150,124.58
  4. Step 4: Simplify right side
    270,978.20x = 56,135,777,945.26
  5. Step 5: Solve for x
    x = 56,135,777,945.26/270,978.20
  6. Step 6: Final answer
    x = 207,159.76

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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.