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Finding the Fourth Proportional to 88,091,408.40, 131,885,170.20 and 88,091,408.40

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Solution

The fourth proportional to 88,091,408.40, 131,885,170.20 and 88,091,408.40 is: 131,885,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,091,408.40 : 131,885,170.20 = 88,091,408.40 : x
  2. Step 2: Convert to fraction form
    88,091,408.40/131,885,170.20 = 88,091,408.40/x
  3. Step 3: Cross multiply
    88,091,408.40x = 131,885,170.20 × 88,091,408.40
  4. Step 4: Simplify right side
    88,091,408.40x = 11,617,950,389,991,710
  5. Step 5: Solve for x
    x = 11,617,950,389,991,710/88,091,408.40
  6. Step 6: Final answer
    x = 131,885,170.20

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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.