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Finding the Fourth Proportional to 191,065.91, 263,659.68 and 110,487.69

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Solution

The fourth proportional to 191,065.91, 263,659.68 and 110,487.69 is: 152,466.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,065.91 : 263,659.68 = 110,487.69 : x
  2. Step 2: Convert to fraction form
    191,065.91/263,659.68 = 110,487.69/x
  3. Step 3: Cross multiply
    191,065.91x = 263,659.68 × 110,487.69
  4. Step 4: Simplify right side
    191,065.91x = 29,131,148,989.34
  5. Step 5: Solve for x
    x = 29,131,148,989.34/191,065.91
  6. Step 6: Final answer
    x = 152,466.50

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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.