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Finding the Fourth Proportional to 170,143.37, 234,811.41 and 98,524.66

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Solution

The fourth proportional to 170,143.37, 234,811.41 and 98,524.66 is: 135,971.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,143.37 : 234,811.41 = 98,524.66 : x
  2. Step 2: Convert to fraction form
    170,143.37/234,811.41 = 98,524.66/x
  3. Step 3: Cross multiply
    170,143.37x = 234,811.41 × 98,524.66
  4. Step 4: Simplify right side
    170,143.37x = 23,134,713,160.31
  5. Step 5: Solve for x
    x = 23,134,713,160.31/170,143.37
  6. Step 6: Final answer
    x = 135,971.88

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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.