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Finding the Fourth Proportional to 123,759.81, 185,487.26 and 48,804.57

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Solution

The fourth proportional to 123,759.81, 185,487.26 and 48,804.57 is: 73,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,759.81 : 185,487.26 = 48,804.57 : x
  2. Step 2: Convert to fraction form
    123,759.81/185,487.26 = 48,804.57/x
  3. Step 3: Cross multiply
    123,759.81x = 185,487.26 × 48,804.57
  4. Step 4: Simplify right side
    123,759.81x = 9,052,625,720.76
  5. Step 5: Solve for x
    x = 9,052,625,720.76/123,759.81
  6. Step 6: Final answer
    x = 73,146.73

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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.