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Finding the Fourth Proportional to 245,400.15, 368,108.42 and 67,892.30

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Solution

The fourth proportional to 245,400.15, 368,108.42 and 67,892.30 is: 101,840.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,400.15 : 368,108.42 = 67,892.30 : x
  2. Step 2: Convert to fraction form
    245,400.15/368,108.42 = 67,892.30/x
  3. Step 3: Cross multiply
    245,400.15x = 368,108.42 × 67,892.30
  4. Step 4: Simplify right side
    245,400.15x = 24,991,725,103.16
  5. Step 5: Solve for x
    x = 24,991,725,103.16/245,400.15
  6. Step 6: Final answer
    x = 101,840.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.