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Finding the Fourth Proportional to 228,067.40, 314,748.42 and 132,573.80

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Solution

The fourth proportional to 228,067.40, 314,748.42 and 132,573.80 is: 182,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,067.40 : 314,748.42 = 132,573.80 : x
  2. Step 2: Convert to fraction form
    228,067.40/314,748.42 = 132,573.80/x
  3. Step 3: Cross multiply
    228,067.40x = 314,748.42 × 132,573.80
  4. Step 4: Simplify right side
    228,067.40x = 41,727,394,083.40
  5. Step 5: Solve for x
    x = 41,727,394,083.40/228,067.40
  6. Step 6: Final answer
    x = 182,960.80

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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.