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Finding the Fourth Proportional to 70,764.92, 106,114.58 and 26,379.76

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Solution

The fourth proportional to 70,764.92, 106,114.58 and 26,379.76 is: 39,557.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,764.92 : 106,114.58 = 26,379.76 : x
  2. Step 2: Convert to fraction form
    70,764.92/106,114.58 = 26,379.76/x
  3. Step 3: Cross multiply
    70,764.92x = 106,114.58 × 26,379.76
  4. Step 4: Simplify right side
    70,764.92x = 2,799,277,152.90
  5. Step 5: Solve for x
    x = 2,799,277,152.90/70,764.92
  6. Step 6: Final answer
    x = 39,557.41

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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.