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Finding the Fourth Proportional to 193,814.19, 290,721.29 and 60,704.87

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Solution

The fourth proportional to 193,814.19, 290,721.29 and 60,704.87 is: 91,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,814.19 : 290,721.29 = 60,704.87 : x
  2. Step 2: Convert to fraction form
    193,814.19/290,721.29 = 60,704.87/x
  3. Step 3: Cross multiply
    193,814.19x = 290,721.29 × 60,704.87
  4. Step 4: Simplify right side
    193,814.19x = 17,648,196,358.55
  5. Step 5: Solve for x
    x = 17,648,196,358.55/193,814.19
  6. Step 6: Final answer
    x = 91,057.30

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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.