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Finding the Fourth Proportional to 270,095.67, 372,699.62 and 149,229.51

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Solution

The fourth proportional to 270,095.67, 372,699.62 and 149,229.51 is: 205,918.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,095.67 : 372,699.62 = 149,229.51 : x
  2. Step 2: Convert to fraction form
    270,095.67/372,699.62 = 149,229.51/x
  3. Step 3: Cross multiply
    270,095.67x = 372,699.62 × 149,229.51
  4. Step 4: Simplify right side
    270,095.67x = 55,617,780,923.64
  5. Step 5: Solve for x
    x = 55,617,780,923.64/270,095.67
  6. Step 6: Final answer
    x = 205,918.82

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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.