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Finding the Fourth Proportional to 66,773.48, 100,091 and 41,756.11

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Solution

The fourth proportional to 66,773.48, 100,091 and 41,756.11 is: 62,590.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,773.48 : 100,091 = 41,756.11 : x
  2. Step 2: Convert to fraction form
    66,773.48/100,091 = 41,756.11/x
  3. Step 3: Cross multiply
    66,773.48x = 100,091 × 41,756.11
  4. Step 4: Simplify right side
    66,773.48x = 4,179,410,806.01
  5. Step 5: Solve for x
    x = 4,179,410,806.01/66,773.48
  6. Step 6: Final answer
    x = 62,590.88

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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.