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Finding the Fourth Proportional to 89,773.80, 134,692.85 and 38,460.93

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Solution

The fourth proportional to 89,773.80, 134,692.85 and 38,460.93 is: 57,705.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,773.80 : 134,692.85 = 38,460.93 : x
  2. Step 2: Convert to fraction form
    89,773.80/134,692.85 = 38,460.93/x
  3. Step 3: Cross multiply
    89,773.80x = 134,692.85 × 38,460.93
  4. Step 4: Simplify right side
    89,773.80x = 5,180,412,083.05
  5. Step 5: Solve for x
    x = 5,180,412,083.05/89,773.80
  6. Step 6: Final answer
    x = 57,705.17

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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.