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Finding the Fourth Proportional to 111,812.58, 167,748.03 and 41,692.50

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Solution

The fourth proportional to 111,812.58, 167,748.03 and 41,692.50 is: 62,549.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,812.58 : 167,748.03 = 41,692.50 : x
  2. Step 2: Convert to fraction form
    111,812.58/167,748.03 = 41,692.50/x
  3. Step 3: Cross multiply
    111,812.58x = 167,748.03 × 41,692.50
  4. Step 4: Simplify right side
    111,812.58x = 6,993,834,740.78
  5. Step 5: Solve for x
    x = 6,993,834,740.78/111,812.58
  6. Step 6: Final answer
    x = 62,549.62

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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.