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Finding the Fourth Proportional to 217,055.63, 325,058.52 and 187,662.35

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Solution

The fourth proportional to 217,055.63, 325,058.52 and 187,662.35 is: 281,039.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,055.63 : 325,058.52 = 187,662.35 : x
  2. Step 2: Convert to fraction form
    217,055.63/325,058.52 = 187,662.35/x
  3. Step 3: Cross multiply
    217,055.63x = 325,058.52 × 187,662.35
  4. Step 4: Simplify right side
    217,055.63x = 61,001,245,750.72
  5. Step 5: Solve for x
    x = 61,001,245,750.72/217,055.63
  6. Step 6: Final answer
    x = 281,039.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.