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Finding the Fourth Proportional to 361,937.56, 542,910.51 and 109,220.23

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Solution

The fourth proportional to 361,937.56, 542,910.51 and 109,220.23 is: 163,831.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,937.56 : 542,910.51 = 109,220.23 : x
  2. Step 2: Convert to fraction form
    361,937.56/542,910.51 = 109,220.23/x
  3. Step 3: Cross multiply
    361,937.56x = 542,910.51 × 109,220.23
  4. Step 4: Simplify right side
    361,937.56x = 59,296,812,401.94
  5. Step 5: Solve for x
    x = 59,296,812,401.94/361,937.56
  6. Step 6: Final answer
    x = 163,831.61

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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.