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Finding the Fourth Proportional to 93,692.88, 140,549.17 and 30,517.93

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Solution

The fourth proportional to 93,692.88, 140,549.17 and 30,517.93 is: 45,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,692.88 : 140,549.17 = 30,517.93 : x
  2. Step 2: Convert to fraction form
    93,692.88/140,549.17 = 30,517.93/x
  3. Step 3: Cross multiply
    93,692.88x = 140,549.17 × 30,517.93
  4. Step 4: Simplify right side
    93,692.88x = 4,289,269,945.45
  5. Step 5: Solve for x
    x = 4,289,269,945.45/93,692.88
  6. Step 6: Final answer
    x = 45,780.10

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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.