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Finding the Fourth Proportional to 77,859.92, 116,788.26 and 25,269.32

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Solution

The fourth proportional to 77,859.92, 116,788.26 and 25,269.32 is: 37,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,859.92 : 116,788.26 = 25,269.32 : x
  2. Step 2: Convert to fraction form
    77,859.92/116,788.26 = 25,269.32/x
  3. Step 3: Cross multiply
    77,859.92x = 116,788.26 × 25,269.32
  4. Step 4: Simplify right side
    77,859.92x = 2,951,159,914.18
  5. Step 5: Solve for x
    x = 2,951,159,914.18/77,859.92
  6. Step 6: Final answer
    x = 37,903.45

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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.