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Finding the Fourth Proportional to 193,872.58, 290,808.43 and 60,762.98

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Solution

The fourth proportional to 193,872.58, 290,808.43 and 60,762.98 is: 91,144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,872.58 : 290,808.43 = 60,762.98 : x
  2. Step 2: Convert to fraction form
    193,872.58/290,808.43 = 60,762.98/x
  3. Step 3: Cross multiply
    193,872.58x = 290,808.43 × 60,762.98
  4. Step 4: Simplify right side
    193,872.58x = 17,670,386,815.92
  5. Step 5: Solve for x
    x = 17,670,386,815.92/193,872.58
  6. Step 6: Final answer
    x = 91,144.33

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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.