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Finding the Fourth Proportional to 191,937.44, 264,958.61 and 123,987.54

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Solution

The fourth proportional to 191,937.44, 264,958.61 and 123,987.54 is: 171,157.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,937.44 : 264,958.61 = 123,987.54 : x
  2. Step 2: Convert to fraction form
    191,937.44/264,958.61 = 123,987.54/x
  3. Step 3: Cross multiply
    191,937.44x = 264,958.61 × 123,987.54
  4. Step 4: Simplify right side
    191,937.44x = 32,851,565,635.78
  5. Step 5: Solve for x
    x = 32,851,565,635.78/191,937.44
  6. Step 6: Final answer
    x = 171,157.68

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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.