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Finding the Fourth Proportional to 188,654.63, 260,344.40 and 102,614.24

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Solution

The fourth proportional to 188,654.63, 260,344.40 and 102,614.24 is: 141,608.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,654.63 : 260,344.40 = 102,614.24 : x
  2. Step 2: Convert to fraction form
    188,654.63/260,344.40 = 102,614.24/x
  3. Step 3: Cross multiply
    188,654.63x = 260,344.40 × 102,614.24
  4. Step 4: Simplify right side
    188,654.63x = 26,715,042,882.05
  5. Step 5: Solve for x
    x = 26,715,042,882.05/188,654.63
  6. Step 6: Final answer
    x = 141,608.21

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1.5x scale

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.