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Finding the Fourth Proportional to 191,709.34, 264,559.94 and 111,184.61

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Solution

The fourth proportional to 191,709.34, 264,559.94 and 111,184.61 is: 153,435.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,709.34 : 264,559.94 = 111,184.61 : x
  2. Step 2: Convert to fraction form
    191,709.34/264,559.94 = 111,184.61/x
  3. Step 3: Cross multiply
    191,709.34x = 264,559.94 × 111,184.61
  4. Step 4: Simplify right side
    191,709.34x = 29,414,993,750.52
  5. Step 5: Solve for x
    x = 29,414,993,750.52/191,709.34
  6. Step 6: Final answer
    x = 153,435.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.