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Finding the Fourth Proportional to 104,493.81, 156,746.64 and 33,422.69

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Solution

The fourth proportional to 104,493.81, 156,746.64 and 33,422.69 is: 50,135.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,493.81 : 156,746.64 = 33,422.69 : x
  2. Step 2: Convert to fraction form
    104,493.81/156,746.64 = 33,422.69/x
  3. Step 3: Cross multiply
    104,493.81x = 156,746.64 × 33,422.69
  4. Step 4: Simplify right side
    104,493.81x = 5,238,894,874.46
  5. Step 5: Solve for x
    x = 5,238,894,874.46/104,493.81
  6. Step 6: Final answer
    x = 50,135.93

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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.