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Finding the Fourth Proportional to 170,076.62, 254,928.36 and 70,185.26

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Solution

The fourth proportional to 170,076.62, 254,928.36 and 70,185.26 is: 105,200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,076.62 : 254,928.36 = 70,185.26 : x
  2. Step 2: Convert to fraction form
    170,076.62/254,928.36 = 70,185.26/x
  3. Step 3: Cross multiply
    170,076.62x = 254,928.36 × 70,185.26
  4. Step 4: Simplify right side
    170,076.62x = 17,892,213,227.97
  5. Step 5: Solve for x
    x = 17,892,213,227.97/170,076.62
  6. Step 6: Final answer
    x = 105,200.90

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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.