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Finding the Fourth Proportional to 112,174.52, 154,795.02 and 69,732.32

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Solution

The fourth proportional to 112,174.52, 154,795.02 and 69,732.32 is: 96,226.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,174.52 : 154,795.02 = 69,732.32 : x
  2. Step 2: Convert to fraction form
    112,174.52/154,795.02 = 69,732.32/x
  3. Step 3: Cross multiply
    112,174.52x = 154,795.02 × 69,732.32
  4. Step 4: Simplify right side
    112,174.52x = 10,794,215,869.05
  5. Step 5: Solve for x
    x = 10,794,215,869.05/112,174.52
  6. Step 6: Final answer
    x = 96,226.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.