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Finding the Fourth Proportional to 236,907, 355,422.06 and 70,695

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Solution

The fourth proportional to 236,907, 355,422.06 and 70,695 is: 106,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,907 : 355,422.06 = 70,695 : x
  2. Step 2: Convert to fraction form
    236,907/355,422.06 = 70,695/x
  3. Step 3: Cross multiply
    236,907x = 355,422.06 × 70,695
  4. Step 4: Simplify right side
    236,907x = 25,126,562,531.70
  5. Step 5: Solve for x
    x = 25,126,562,531.70/236,907
  6. Step 6: Final answer
    x = 106,060.87

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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.