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Finding the Fourth Proportional to 191,911.14, 264,840.12 and 111,363.02

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Solution

The fourth proportional to 191,911.14, 264,840.12 and 111,363.02 is: 153,682.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,911.14 : 264,840.12 = 111,363.02 : x
  2. Step 2: Convert to fraction form
    191,911.14/264,840.12 = 111,363.02/x
  3. Step 3: Cross multiply
    191,911.14x = 264,840.12 × 111,363.02
  4. Step 4: Simplify right side
    191,911.14x = 29,493,395,580.36
  5. Step 5: Solve for x
    x = 29,493,395,580.36/191,911.14
  6. Step 6: Final answer
    x = 153,682.56

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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.