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Finding the Fourth Proportional to 72,408.02, 99,922.91 and 44,113.73

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Solution

The fourth proportional to 72,408.02, 99,922.91 and 44,113.73 is: 60,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,408.02 : 99,922.91 = 44,113.73 : x
  2. Step 2: Convert to fraction form
    72,408.02/99,922.91 = 44,113.73/x
  3. Step 3: Cross multiply
    72,408.02x = 99,922.91 × 44,113.73
  4. Step 4: Simplify right side
    72,408.02x = 4,407,971,552.37
  5. Step 5: Solve for x
    x = 4,407,971,552.37/72,408.02
  6. Step 6: Final answer
    x = 60,876.85

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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.