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Finding the Fourth Proportional to 85,097.83, 127,651.54 and 25,935.43

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Solution

The fourth proportional to 85,097.83, 127,651.54 and 25,935.43 is: 38,904.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,097.83 : 127,651.54 = 25,935.43 : x
  2. Step 2: Convert to fraction form
    85,097.83/127,651.54 = 25,935.43/x
  3. Step 3: Cross multiply
    85,097.83x = 127,651.54 × 25,935.43
  4. Step 4: Simplify right side
    85,097.83x = 3,310,696,876.97
  5. Step 5: Solve for x
    x = 3,310,696,876.97/85,097.83
  6. Step 6: Final answer
    x = 38,904.60

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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.