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Finding the Fourth Proportional to 79,792.96, 119,709.88 and 29,873.76

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Solution

The fourth proportional to 79,792.96, 119,709.88 and 29,873.76 is: 44,818.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,792.96 : 119,709.88 = 29,873.76 : x
  2. Step 2: Convert to fraction form
    79,792.96/119,709.88 = 29,873.76/x
  3. Step 3: Cross multiply
    79,792.96x = 119,709.88 × 29,873.76
  4. Step 4: Simplify right side
    79,792.96x = 3,576,184,224.75
  5. Step 5: Solve for x
    x = 3,576,184,224.75/79,792.96
  6. Step 6: Final answer
    x = 44,818.29

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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.