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Finding the Fourth Proportional to 204,095.60, 306,143.40 and 63,897.20

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Solution

The fourth proportional to 204,095.60, 306,143.40 and 63,897.20 is: 95,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,095.60 : 306,143.40 = 63,897.20 : x
  2. Step 2: Convert to fraction form
    204,095.60/306,143.40 = 63,897.20/x
  3. Step 3: Cross multiply
    204,095.60x = 306,143.40 × 63,897.20
  4. Step 4: Simplify right side
    204,095.60x = 19,561,706,058.48
  5. Step 5: Solve for x
    x = 19,561,706,058.48/204,095.60
  6. Step 6: Final answer
    x = 95,845.80

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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.