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Finding the Fourth Proportional to 191,450.93, 264,197.90 and 119,870.42

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Solution

The fourth proportional to 191,450.93, 264,197.90 and 119,870.42 is: 165,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,450.93 : 264,197.90 = 119,870.42 : x
  2. Step 2: Convert to fraction form
    191,450.93/264,197.90 = 119,870.42/x
  3. Step 3: Cross multiply
    191,450.93x = 264,197.90 × 119,870.42
  4. Step 4: Simplify right side
    191,450.93x = 31,669,512,214.80
  5. Step 5: Solve for x
    x = 31,669,512,214.80/191,450.93
  6. Step 6: Final answer
    x = 165,418.43

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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.