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Finding the Fourth Proportional to 178,906.50, 246,630.78 and 125,024.22

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Solution

The fourth proportional to 178,906.50, 246,630.78 and 125,024.22 is: 172,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,906.50 : 246,630.78 = 125,024.22 : x
  2. Step 2: Convert to fraction form
    178,906.50/246,630.78 = 125,024.22/x
  3. Step 3: Cross multiply
    178,906.50x = 246,630.78 × 125,024.22
  4. Step 4: Simplify right side
    178,906.50x = 30,834,820,897.49
  5. Step 5: Solve for x
    x = 30,834,820,897.49/178,906.50
  6. Step 6: Final answer
    x = 172,351.60

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1.5x scale

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.