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Finding the Fourth Proportional to 236,308.69, 354,515.72 and 67,815.88

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Solution

The fourth proportional to 236,308.69, 354,515.72 and 67,815.88 is: 101,738.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,308.69 : 354,515.72 = 67,815.88 : x
  2. Step 2: Convert to fraction form
    236,308.69/354,515.72 = 67,815.88/x
  3. Step 3: Cross multiply
    236,308.69x = 354,515.72 × 67,815.88
  4. Step 4: Simplify right side
    236,308.69x = 24,041,795,525.63
  5. Step 5: Solve for x
    x = 24,041,795,525.63/236,308.69
  6. Step 6: Final answer
    x = 101,738.94

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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.