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Finding the Fourth Proportional to 193,462.70, 290,064.45 and 93,670.70

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Solution

The fourth proportional to 193,462.70, 290,064.45 and 93,670.70 is: 140,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,462.70 : 290,064.45 = 93,670.70 : x
  2. Step 2: Convert to fraction form
    193,462.70/290,064.45 = 93,670.70/x
  3. Step 3: Cross multiply
    193,462.70x = 290,064.45 × 93,670.70
  4. Step 4: Simplify right side
    193,462.70x = 27,170,540,076.62
  5. Step 5: Solve for x
    x = 27,170,540,076.62/193,462.70
  6. Step 6: Final answer
    x = 140,443.30

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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.