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Finding the Fourth Proportional to 236,355.96, 354,479.86 and 67,874.94

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Solution

The fourth proportional to 236,355.96, 354,479.86 and 67,874.94 is: 101,796.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,355.96 : 354,479.86 = 67,874.94 : x
  2. Step 2: Convert to fraction form
    236,355.96/354,479.86 = 67,874.94/x
  3. Step 3: Cross multiply
    236,355.96x = 354,479.86 × 67,874.94
  4. Step 4: Simplify right side
    236,355.96x = 24,060,299,228.71
  5. Step 5: Solve for x
    x = 24,060,299,228.71/236,355.96
  6. Step 6: Final answer
    x = 101,796.88

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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.