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Finding the Fourth Proportional to 171,243.89, 236,305.69 and 93,703.80

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Solution

The fourth proportional to 171,243.89, 236,305.69 and 93,703.80 is: 129,305.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,243.89 : 236,305.69 = 93,703.80 : x
  2. Step 2: Convert to fraction form
    171,243.89/236,305.69 = 93,703.80/x
  3. Step 3: Cross multiply
    171,243.89x = 236,305.69 × 93,703.80
  4. Step 4: Simplify right side
    171,243.89x = 22,142,741,766.51
  5. Step 5: Solve for x
    x = 22,142,741,766.51/171,243.89
  6. Step 6: Final answer
    x = 129,305.30

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1.5x scale

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.