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Finding the Fourth Proportional to 169,708, 234,201.90 and 94,261.36

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Solution

The fourth proportional to 169,708, 234,201.90 and 94,261.36 is: 130,083.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,708 : 234,201.90 = 94,261.36 : x
  2. Step 2: Convert to fraction form
    169,708/234,201.90 = 94,261.36/x
  3. Step 3: Cross multiply
    169,708x = 234,201.90 × 94,261.36
  4. Step 4: Simplify right side
    169,708x = 22,076,189,608.58
  5. Step 5: Solve for x
    x = 22,076,189,608.58/169,708
  6. Step 6: Final answer
    x = 130,083.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.