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Finding the Fourth Proportional to 103,229.67, 154,859.91 and 36,664.20

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Solution

The fourth proportional to 103,229.67, 154,859.91 and 36,664.20 is: 55,001.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,229.67 : 154,859.91 = 36,664.20 : x
  2. Step 2: Convert to fraction form
    103,229.67/154,859.91 = 36,664.20/x
  3. Step 3: Cross multiply
    103,229.67x = 154,859.91 × 36,664.20
  4. Step 4: Simplify right side
    103,229.67x = 5,677,814,712.22
  5. Step 5: Solve for x
    x = 5,677,814,712.22/103,229.67
  6. Step 6: Final answer
    x = 55,001.77

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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.