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Finding the Fourth Proportional to 112,134, 168,204.24 and 29,028

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Solution

The fourth proportional to 112,134, 168,204.24 and 29,028 is: 43,542.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,134 : 168,204.24 = 29,028 : x
  2. Step 2: Convert to fraction form
    112,134/168,204.24 = 29,028/x
  3. Step 3: Cross multiply
    112,134x = 168,204.24 × 29,028
  4. Step 4: Simplify right side
    112,134x = 4,882,632,678.72
  5. Step 5: Solve for x
    x = 4,882,632,678.72/112,134
  6. Step 6: Final answer
    x = 43,542.84

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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.