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Finding the Fourth Proportional to 192,633.12, 265,890.72 and 112,097.04

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Solution

The fourth proportional to 192,633.12, 265,890.72 and 112,097.04 is: 154,727.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,633.12 : 265,890.72 = 112,097.04 : x
  2. Step 2: Convert to fraction form
    192,633.12/265,890.72 = 112,097.04/x
  3. Step 3: Cross multiply
    192,633.12x = 265,890.72 × 112,097.04
  4. Step 4: Simplify right side
    192,633.12x = 29,805,562,675.47
  5. Step 5: Solve for x
    x = 29,805,562,675.47/192,633.12
  6. Step 6: Final answer
    x = 154,727.09

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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.