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Finding the Fourth Proportional to 193,673.99, 290,527.73 and 53,432.61

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Solution

The fourth proportional to 193,673.99, 290,527.73 and 53,432.61 is: 80,153.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,673.99 : 290,527.73 = 53,432.61 : x
  2. Step 2: Convert to fraction form
    193,673.99/290,527.73 = 53,432.61/x
  3. Step 3: Cross multiply
    193,673.99x = 290,527.73 × 53,432.61
  4. Step 4: Simplify right side
    193,673.99x = 15,523,654,624.11
  5. Step 5: Solve for x
    x = 15,523,654,624.11/193,673.99
  6. Step 6: Final answer
    x = 80,153.54

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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.