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Finding the Fourth Proportional to 164,415.40, 246,550.20 and 75,623.20

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Solution

The fourth proportional to 164,415.40, 246,550.20 and 75,623.20 is: 113,401.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,415.40 : 246,550.20 = 75,623.20 : x
  2. Step 2: Convert to fraction form
    164,415.40/246,550.20 = 75,623.20/x
  3. Step 3: Cross multiply
    164,415.40x = 246,550.20 × 75,623.20
  4. Step 4: Simplify right side
    164,415.40x = 18,644,915,084.64
  5. Step 5: Solve for x
    x = 18,644,915,084.64/164,415.40
  6. Step 6: Final answer
    x = 113,401.27

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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.