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Finding the Fourth Proportional to 173,571.20, 259,665.60 and 156,982.40

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Solution

The fourth proportional to 173,571.20, 259,665.60 and 156,982.40 is: 234,848.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,571.20 : 259,665.60 = 156,982.40 : x
  2. Step 2: Convert to fraction form
    173,571.20/259,665.60 = 156,982.40/x
  3. Step 3: Cross multiply
    173,571.20x = 259,665.60 × 156,982.40
  4. Step 4: Simplify right side
    173,571.20x = 40,762,929,085.44
  5. Step 5: Solve for x
    x = 40,762,929,085.44/173,571.20
  6. Step 6: Final answer
    x = 234,848.46

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1.5x scale

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.