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Finding the Fourth Proportional to 86,998.92, 130,477.08 and 27,822.33

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Solution

The fourth proportional to 86,998.92, 130,477.08 and 27,822.33 is: 41,726.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,998.92 : 130,477.08 = 27,822.33 : x
  2. Step 2: Convert to fraction form
    86,998.92/130,477.08 = 27,822.33/x
  3. Step 3: Cross multiply
    86,998.92x = 130,477.08 × 27,822.33
  4. Step 4: Simplify right side
    86,998.92x = 3,630,176,377.20
  5. Step 5: Solve for x
    x = 3,630,176,377.20/86,998.92
  6. Step 6: Final answer
    x = 41,726.68

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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.