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Finding the Fourth Proportional to 173,247.40, 259,871.10 and 170,914.60

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Solution

The fourth proportional to 173,247.40, 259,871.10 and 170,914.60 is: 256,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,247.40 : 259,871.10 = 170,914.60 : x
  2. Step 2: Convert to fraction form
    173,247.40/259,871.10 = 170,914.60/x
  3. Step 3: Cross multiply
    173,247.40x = 259,871.10 × 170,914.60
  4. Step 4: Simplify right side
    173,247.40x = 44,415,765,108.06
  5. Step 5: Solve for x
    x = 44,415,765,108.06/173,247.40
  6. Step 6: Final answer
    x = 256,371.90

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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.