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Finding the Fourth Proportional to 191,589.36, 264,651.48 and 173,704.56

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Solution

The fourth proportional to 191,589.36, 264,651.48 and 173,704.56 is: 239,946.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,589.36 : 264,651.48 = 173,704.56 : x
  2. Step 2: Convert to fraction form
    191,589.36/264,651.48 = 173,704.56/x
  3. Step 3: Cross multiply
    191,589.36x = 264,651.48 × 173,704.56
  4. Step 4: Simplify right side
    191,589.36x = 45,971,168,886.75
  5. Step 5: Solve for x
    x = 45,971,168,886.75/191,589.36
  6. Step 6: Final answer
    x = 239,946.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.