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Finding the Fourth Proportional to 361,937.37, 542,910.23 and 109,220.05

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Solution

The fourth proportional to 361,937.37, 542,910.23 and 109,220.05 is: 163,831.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,937.37 : 542,910.23 = 109,220.05 : x
  2. Step 2: Convert to fraction form
    361,937.37/542,910.23 = 109,220.05/x
  3. Step 3: Cross multiply
    361,937.37x = 542,910.23 × 109,220.05
  4. Step 4: Simplify right side
    361,937.37x = 59,296,679,751.56
  5. Step 5: Solve for x
    x = 59,296,679,751.56/361,937.37
  6. Step 6: Final answer
    x = 163,831.33

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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.