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Finding the Fourth Proportional to 103,334.63, 154,857.53 and 55,847.34

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Solution

The fourth proportional to 103,334.63, 154,857.53 and 55,847.34 is: 83,692.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,334.63 : 154,857.53 = 55,847.34 : x
  2. Step 2: Convert to fraction form
    103,334.63/154,857.53 = 55,847.34/x
  3. Step 3: Cross multiply
    103,334.63x = 154,857.53 × 55,847.34
  4. Step 4: Simplify right side
    103,334.63x = 8,648,381,269.09
  5. Step 5: Solve for x
    x = 8,648,381,269.09/103,334.63
  6. Step 6: Final answer
    x = 83,692.97

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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.