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Finding the Fourth Proportional to 217,602.74, 326,388.65 and 57,675.12

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Solution

The fourth proportional to 217,602.74, 326,388.65 and 57,675.12 is: 86,508.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,602.74 : 326,388.65 = 57,675.12 : x
  2. Step 2: Convert to fraction form
    217,602.74/326,388.65 = 57,675.12/x
  3. Step 3: Cross multiply
    217,602.74x = 326,388.65 × 57,675.12
  4. Step 4: Simplify right side
    217,602.74x = 18,824,504,267.01
  5. Step 5: Solve for x
    x = 18,824,504,267.01/217,602.74
  6. Step 6: Final answer
    x = 86,508.58

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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.