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Finding the Fourth Proportional to 123,352.74, 185,040.72 and 34,605.90

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Solution

The fourth proportional to 123,352.74, 185,040.72 and 34,605.90 is: 51,912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,352.74 : 185,040.72 = 34,605.90 : x
  2. Step 2: Convert to fraction form
    123,352.74/185,040.72 = 34,605.90/x
  3. Step 3: Cross multiply
    123,352.74x = 185,040.72 × 34,605.90
  4. Step 4: Simplify right side
    123,352.74x = 6,403,500,652.25
  5. Step 5: Solve for x
    x = 6,403,500,652.25/123,352.74
  6. Step 6: Final answer
    x = 51,912.11

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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.