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Finding the Fourth Proportional to 171,357.56, 236,480.80 and 94,876.64

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Solution

The fourth proportional to 171,357.56, 236,480.80 and 94,876.64 is: 130,933.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,357.56 : 236,480.80 = 94,876.64 : x
  2. Step 2: Convert to fraction form
    171,357.56/236,480.80 = 94,876.64/x
  3. Step 3: Cross multiply
    171,357.56x = 236,480.80 × 94,876.64
  4. Step 4: Simplify right side
    171,357.56x = 22,436,503,728.51
  5. Step 5: Solve for x
    x = 22,436,503,728.51/171,357.56
  6. Step 6: Final answer
    x = 130,933.84

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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.