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Finding the Fourth Proportional to 236,512.53, 354,730.44 and 67,994.46

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Solution

The fourth proportional to 236,512.53, 354,730.44 and 67,994.46 is: 101,980.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,512.53 : 354,730.44 = 67,994.46 : x
  2. Step 2: Convert to fraction form
    236,512.53/354,730.44 = 67,994.46/x
  3. Step 3: Cross multiply
    236,512.53x = 354,730.44 × 67,994.46
  4. Step 4: Simplify right side
    236,512.53x = 24,119,704,713.36
  5. Step 5: Solve for x
    x = 24,119,704,713.36/236,512.53
  6. Step 6: Final answer
    x = 101,980.66

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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.