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Finding the Fourth Proportional to 112,042, 168,003.60 and 33,145.36

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Solution

The fourth proportional to 112,042, 168,003.60 and 33,145.36 is: 49,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,042 : 168,003.60 = 33,145.36 : x
  2. Step 2: Convert to fraction form
    112,042/168,003.60 = 33,145.36/x
  3. Step 3: Cross multiply
    112,042x = 168,003.60 × 33,145.36
  4. Step 4: Simplify right side
    112,042x = 5,568,539,803.30
  5. Step 5: Solve for x
    x = 5,568,539,803.30/112,042
  6. Step 6: Final answer
    x = 49,700.47

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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.