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Finding the Fourth Proportional to 170,846.48, 256,270.20 and 100,629.20

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Solution

The fourth proportional to 170,846.48, 256,270.20 and 100,629.20 is: 150,944.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,846.48 : 256,270.20 = 100,629.20 : x
  2. Step 2: Convert to fraction form
    170,846.48/256,270.20 = 100,629.20/x
  3. Step 3: Cross multiply
    170,846.48x = 256,270.20 × 100,629.20
  4. Step 4: Simplify right side
    170,846.48x = 25,788,265,209.84
  5. Step 5: Solve for x
    x = 25,788,265,209.84/170,846.48
  6. Step 6: Final answer
    x = 150,944.08

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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.