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Finding the Fourth Proportional to 112,512.64, 168,747.06 and 33,649.42

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Solution

The fourth proportional to 112,512.64, 168,747.06 and 33,649.42 is: 50,467.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,512.64 : 168,747.06 = 33,649.42 : x
  2. Step 2: Convert to fraction form
    112,512.64/168,747.06 = 33,649.42/x
  3. Step 3: Cross multiply
    112,512.64x = 168,747.06 × 33,649.42
  4. Step 4: Simplify right side
    112,512.64x = 5,678,240,695.71
  5. Step 5: Solve for x
    x = 5,678,240,695.71/112,512.64
  6. Step 6: Final answer
    x = 50,467.58

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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.