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Finding the Fourth Proportional to 77,654.54, 116,481.81 and 25,071.77

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Solution

The fourth proportional to 77,654.54, 116,481.81 and 25,071.77 is: 37,607.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,654.54 : 116,481.81 = 25,071.77 : x
  2. Step 2: Convert to fraction form
    77,654.54/116,481.81 = 25,071.77/x
  3. Step 3: Cross multiply
    77,654.54x = 116,481.81 × 25,071.77
  4. Step 4: Simplify right side
    77,654.54x = 2,920,404,738.49
  5. Step 5: Solve for x
    x = 2,920,404,738.49/77,654.54
  6. Step 6: Final answer
    x = 37,607.65

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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.