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Finding the Fourth Proportional to 191,521.62, 264,227.94 and 110,919.72

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Solution

The fourth proportional to 191,521.62, 264,227.94 and 110,919.72 is: 153,027.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,521.62 : 264,227.94 = 110,919.72 : x
  2. Step 2: Convert to fraction form
    191,521.62/264,227.94 = 110,919.72/x
  3. Step 3: Cross multiply
    191,521.62x = 264,227.94 × 110,919.72
  4. Step 4: Simplify right side
    191,521.62x = 29,308,089,120.98
  5. Step 5: Solve for x
    x = 29,308,089,120.98/191,521.62
  6. Step 6: Final answer
    x = 153,027.58

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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.