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Finding the Fourth Proportional to 193,881.48, 290,813.98 and 60,758.80

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Solution

The fourth proportional to 193,881.48, 290,813.98 and 60,758.80 is: 91,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,881.48 : 290,813.98 = 60,758.80 : x
  2. Step 2: Convert to fraction form
    193,881.48/290,813.98 = 60,758.80/x
  3. Step 3: Cross multiply
    193,881.48x = 290,813.98 × 60,758.80
  4. Step 4: Simplify right side
    193,881.48x = 17,669,508,448.02
  5. Step 5: Solve for x
    x = 17,669,508,448.02/193,881.48
  6. Step 6: Final answer
    x = 91,135.62

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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.