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Finding the Fourth Proportional to 104,676.99, 157,216.95 and 89,717.91

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Solution

The fourth proportional to 104,676.99, 157,216.95 and 89,717.91 is: 134,749.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,676.99 : 157,216.95 = 89,717.91 : x
  2. Step 2: Convert to fraction form
    104,676.99/157,216.95 = 89,717.91/x
  3. Step 3: Cross multiply
    104,676.99x = 157,216.95 × 89,717.91
  4. Step 4: Simplify right side
    104,676.99x = 14,105,176,170.57
  5. Step 5: Solve for x
    x = 14,105,176,170.57/104,676.99
  6. Step 6: Final answer
    x = 134,749.54

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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.