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Finding the Fourth Proportional to 174,751.80, 262,076.98 and 68,112

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Solution

The fourth proportional to 174,751.80, 262,076.98 and 68,112 is: 102,148.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,751.80 : 262,076.98 = 68,112 : x
  2. Step 2: Convert to fraction form
    174,751.80/262,076.98 = 68,112/x
  3. Step 3: Cross multiply
    174,751.80x = 262,076.98 × 68,112
  4. Step 4: Simplify right side
    174,751.80x = 17,850,587,261.76
  5. Step 5: Solve for x
    x = 17,850,587,261.76/174,751.80
  6. Step 6: Final answer
    x = 102,148.23

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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.