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Finding the Fourth Proportional to 112,447.80, 168,650.10 and 33,564.60

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Solution

The fourth proportional to 112,447.80, 168,650.10 and 33,564.60 is: 50,340.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,447.80 : 168,650.10 = 33,564.60 : x
  2. Step 2: Convert to fraction form
    112,447.80/168,650.10 = 33,564.60/x
  3. Step 3: Cross multiply
    112,447.80x = 168,650.10 × 33,564.60
  4. Step 4: Simplify right side
    112,447.80x = 5,660,673,146.46
  5. Step 5: Solve for x
    x = 5,660,673,146.46/112,447.80
  6. Step 6: Final answer
    x = 50,340.45

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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.