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Finding the Fourth Proportional to 254,408.70, 381,623.43 and 64,873.98

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Solution

The fourth proportional to 254,408.70, 381,623.43 and 64,873.98 is: 97,313.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,408.70 : 381,623.43 = 64,873.98 : x
  2. Step 2: Convert to fraction form
    254,408.70/381,623.43 = 64,873.98/x
  3. Step 3: Cross multiply
    254,408.70x = 381,623.43 × 64,873.98
  4. Step 4: Simplify right side
    254,408.70x = 24,757,430,461.25
  5. Step 5: Solve for x
    x = 24,757,430,461.25/254,408.70
  6. Step 6: Final answer
    x = 97,313.62

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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.