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Finding the Fourth Proportional to 193,605.52, 290,466.60 and 60,480.40

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Solution

The fourth proportional to 193,605.52, 290,466.60 and 60,480.40 is: 90,738.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,605.52 : 290,466.60 = 60,480.40 : x
  2. Step 2: Convert to fraction form
    193,605.52/290,466.60 = 60,480.40/x
  3. Step 3: Cross multiply
    193,605.52x = 290,466.60 × 60,480.40
  4. Step 4: Simplify right side
    193,605.52x = 17,567,536,154.64
  5. Step 5: Solve for x
    x = 17,567,536,154.64/193,605.52
  6. Step 6: Final answer
    x = 90,738.82

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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.