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Finding the Fourth Proportional to 116,654.10, 174,653.10 and 104,844.30

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Solution

The fourth proportional to 116,654.10, 174,653.10 and 104,844.30 is: 156,971.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,654.10 : 174,653.10 = 104,844.30 : x
  2. Step 2: Convert to fraction form
    116,654.10/174,653.10 = 104,844.30/x
  3. Step 3: Cross multiply
    116,654.10x = 174,653.10 × 104,844.30
  4. Step 4: Simplify right side
    116,654.10x = 18,311,382,012.33
  5. Step 5: Solve for x
    x = 18,311,382,012.33/116,654.10
  6. Step 6: Final answer
    x = 156,971.61

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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.