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Finding the Fourth Proportional to 84,529.68, 116,649 and 48,717.42

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Solution

The fourth proportional to 84,529.68, 116,649 and 48,717.42 is: 67,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,529.68 : 116,649 = 48,717.42 : x
  2. Step 2: Convert to fraction form
    84,529.68/116,649 = 48,717.42/x
  3. Step 3: Cross multiply
    84,529.68x = 116,649 × 48,717.42
  4. Step 4: Simplify right side
    84,529.68x = 5,682,838,325.58
  5. Step 5: Solve for x
    x = 5,682,838,325.58/84,529.68
  6. Step 6: Final answer
    x = 67,228.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.