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Finding the Fourth Proportional to 191,801.67, 264,634.37 and 109,014.51

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Solution

The fourth proportional to 191,801.67, 264,634.37 and 109,014.51 is: 150,410.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,801.67 : 264,634.37 = 109,014.51 : x
  2. Step 2: Convert to fraction form
    191,801.67/264,634.37 = 109,014.51/x
  3. Step 3: Cross multiply
    191,801.67x = 264,634.37 × 109,014.51
  4. Step 4: Simplify right side
    191,801.67x = 28,848,985,629.64
  5. Step 5: Solve for x
    x = 28,848,985,629.64/191,801.67
  6. Step 6: Final answer
    x = 150,410.50

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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.