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Finding the Fourth Proportional to 236,970, 355,467.96 and 70,770.96

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Solution

The fourth proportional to 236,970, 355,467.96 and 70,770.96 is: 106,160.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,970 : 355,467.96 = 70,770.96 : x
  2. Step 2: Convert to fraction form
    236,970/355,467.96 = 70,770.96/x
  3. Step 3: Cross multiply
    236,970x = 355,467.96 × 70,770.96
  4. Step 4: Simplify right side
    236,970x = 25,156,808,778.44
  5. Step 5: Solve for x
    x = 25,156,808,778.44/236,970
  6. Step 6: Final answer
    x = 106,160.31

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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.