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Finding the Fourth Proportional to 281,055.39, 387,747.50 and 179,062.59

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Solution

The fourth proportional to 281,055.39, 387,747.50 and 179,062.59 is: 247,036.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,055.39 : 387,747.50 = 179,062.59 : x
  2. Step 2: Convert to fraction form
    281,055.39/387,747.50 = 179,062.59/x
  3. Step 3: Cross multiply
    281,055.39x = 387,747.50 × 179,062.59
  4. Step 4: Simplify right side
    281,055.39x = 69,431,071,616.03
  5. Step 5: Solve for x
    x = 69,431,071,616.03/281,055.39
  6. Step 6: Final answer
    x = 247,036.97

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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.