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Finding the Fourth Proportional to 70,601.10, 105,835.77 and 23,821.26

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Solution

The fourth proportional to 70,601.10, 105,835.77 and 23,821.26 is: 35,709.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,601.10 : 105,835.77 = 23,821.26 : x
  2. Step 2: Convert to fraction form
    70,601.10/105,835.77 = 23,821.26/x
  3. Step 3: Cross multiply
    70,601.10x = 105,835.77 × 23,821.26
  4. Step 4: Simplify right side
    70,601.10x = 2,521,141,394.47
  5. Step 5: Solve for x
    x = 2,521,141,394.47/70,601.10
  6. Step 6: Final answer
    x = 35,709.66

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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.