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Finding the Fourth Proportional to 168,372.54, 232,353.63 and 92,920.50

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Solution

The fourth proportional to 168,372.54, 232,353.63 and 92,920.50 is: 128,230.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,372.54 : 232,353.63 = 92,920.50 : x
  2. Step 2: Convert to fraction form
    168,372.54/232,353.63 = 92,920.50/x
  3. Step 3: Cross multiply
    168,372.54x = 232,353.63 × 92,920.50
  4. Step 4: Simplify right side
    168,372.54x = 21,590,415,476.42
  5. Step 5: Solve for x
    x = 21,590,415,476.42/168,372.54
  6. Step 6: Final answer
    x = 128,230.03

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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.