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Finding the Fourth Proportional to 193,352.55, 290,028.83 and 130,366.95

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Solution

The fourth proportional to 193,352.55, 290,028.83 and 130,366.95 is: 195,550.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,352.55 : 290,028.83 = 130,366.95 : x
  2. Step 2: Convert to fraction form
    193,352.55/290,028.83 = 130,366.95/x
  3. Step 3: Cross multiply
    193,352.55x = 290,028.83 × 130,366.95
  4. Step 4: Simplify right side
    193,352.55x = 37,810,173,327.33
  5. Step 5: Solve for x
    x = 37,810,173,327.33/193,352.55
  6. Step 6: Final answer
    x = 195,550.43

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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.