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Finding the Fourth Proportional to 173,674.80, 239,682.78 and 97,200.54

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Solution

The fourth proportional to 173,674.80, 239,682.78 and 97,200.54 is: 134,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,674.80 : 239,682.78 = 97,200.54 : x
  2. Step 2: Convert to fraction form
    173,674.80/239,682.78 = 97,200.54/x
  3. Step 3: Cross multiply
    173,674.80x = 239,682.78 × 97,200.54
  4. Step 4: Simplify right side
    173,674.80x = 23,297,295,644.70
  5. Step 5: Solve for x
    x = 23,297,295,644.70/173,674.80
  6. Step 6: Final answer
    x = 134,143.21

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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.