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Finding the Fourth Proportional to 191,919.03, 264,861.24 and 111,346.59

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Solution

The fourth proportional to 191,919.03, 264,861.24 and 111,346.59 is: 153,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,919.03 : 264,861.24 = 111,346.59 : x
  2. Step 2: Convert to fraction form
    191,919.03/264,861.24 = 111,346.59/x
  3. Step 3: Cross multiply
    191,919.03x = 264,861.24 × 111,346.59
  4. Step 4: Simplify right side
    191,919.03x = 29,491,395,897.17
  5. Step 5: Solve for x
    x = 29,491,395,897.17/191,919.03
  6. Step 6: Final answer
    x = 153,665.82

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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.