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Finding the Fourth Proportional to 70,021.92, 104,998.77 and 23,259

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Solution

The fourth proportional to 70,021.92, 104,998.77 and 23,259 is: 34,877.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,021.92 : 104,998.77 = 23,259 : x
  2. Step 2: Convert to fraction form
    70,021.92/104,998.77 = 23,259/x
  3. Step 3: Cross multiply
    70,021.92x = 104,998.77 × 23,259
  4. Step 4: Simplify right side
    70,021.92x = 2,442,166,391.43
  5. Step 5: Solve for x
    x = 2,442,166,391.43/70,021.92
  6. Step 6: Final answer
    x = 34,877.17

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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.