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Finding the Fourth Proportional to 193,776.33, 290,664.39 and 53,534.94

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Solution

The fourth proportional to 193,776.33, 290,664.39 and 53,534.94 is: 80,302.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,776.33 : 290,664.39 = 53,534.94 : x
  2. Step 2: Convert to fraction form
    193,776.33/290,664.39 = 53,534.94/x
  3. Step 3: Cross multiply
    193,776.33x = 290,664.39 × 53,534.94
  4. Step 4: Simplify right side
    193,776.33x = 15,560,700,678.79
  5. Step 5: Solve for x
    x = 15,560,700,678.79/193,776.33
  6. Step 6: Final answer
    x = 80,302.38

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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.