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Finding the Fourth Proportional to 191,768.96, 264,531.42 and 120,024.42

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Solution

The fourth proportional to 191,768.96, 264,531.42 and 120,024.42 is: 165,565.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,768.96 : 264,531.42 = 120,024.42 : x
  2. Step 2: Convert to fraction form
    191,768.96/264,531.42 = 120,024.42/x
  3. Step 3: Cross multiply
    191,768.96x = 264,531.42 × 120,024.42
  4. Step 4: Simplify right side
    191,768.96x = 31,750,230,257.28
  5. Step 5: Solve for x
    x = 31,750,230,257.28/191,768.96
  6. Step 6: Final answer
    x = 165,565.01

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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.