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Finding the Fourth Proportional to 270,063, 372,686.94 and 150,831

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Solution

The fourth proportional to 270,063, 372,686.94 and 150,831 is: 208,146.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,063 : 372,686.94 = 150,831 : x
  2. Step 2: Convert to fraction form
    270,063/372,686.94 = 150,831/x
  3. Step 3: Cross multiply
    270,063x = 372,686.94 × 150,831
  4. Step 4: Simplify right side
    270,063x = 56,212,743,847.14
  5. Step 5: Solve for x
    x = 56,212,743,847.14/270,063
  6. Step 6: Final answer
    x = 208,146.78

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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.