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Finding the Fourth Proportional to 170,080.62, 254,934.36 and 70,189.26

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Solution

The fourth proportional to 170,080.62, 254,934.36 and 70,189.26 is: 105,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,080.62 : 254,934.36 = 70,189.26 : x
  2. Step 2: Convert to fraction form
    170,080.62/254,934.36 = 70,189.26/x
  3. Step 3: Cross multiply
    170,080.62x = 254,934.36 × 70,189.26
  4. Step 4: Simplify right side
    170,080.62x = 17,893,654,076.97
  5. Step 5: Solve for x
    x = 17,893,654,076.97/170,080.62
  6. Step 6: Final answer
    x = 105,206.90

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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.