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Finding the Fourth Proportional to 236,470.15, 354,755.89 and 67,988.98

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Solution

The fourth proportional to 236,470.15, 354,755.89 and 67,988.98 is: 101,998.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,470.15 : 354,755.89 = 67,988.98 : x
  2. Step 2: Convert to fraction form
    236,470.15/354,755.89 = 67,988.98/x
  3. Step 3: Cross multiply
    236,470.15x = 354,755.89 × 67,988.98
  4. Step 4: Simplify right side
    236,470.15x = 24,119,489,336.31
  5. Step 5: Solve for x
    x = 24,119,489,336.31/236,470.15
  6. Step 6: Final answer
    x = 101,998.03

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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.