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Finding the Fourth Proportional to 88,925.88, 122,755.50 and 55,408.44

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Solution

The fourth proportional to 88,925.88, 122,755.50 and 55,408.44 is: 76,487.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,925.88 : 122,755.50 = 55,408.44 : x
  2. Step 2: Convert to fraction form
    88,925.88/122,755.50 = 55,408.44/x
  3. Step 3: Cross multiply
    88,925.88x = 122,755.50 × 55,408.44
  4. Step 4: Simplify right side
    88,925.88x = 6,801,690,756.42
  5. Step 5: Solve for x
    x = 6,801,690,756.42/88,925.88
  6. Step 6: Final answer
    x = 76,487.19

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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.