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Finding the Fourth Proportional to 236,878.56, 326,950.49 and 134,964.16

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Solution

The fourth proportional to 236,878.56, 326,950.49 and 134,964.16 is: 186,283.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,878.56 : 326,950.49 = 134,964.16 : x
  2. Step 2: Convert to fraction form
    236,878.56/326,950.49 = 134,964.16/x
  3. Step 3: Cross multiply
    236,878.56x = 326,950.49 × 134,964.16
  4. Step 4: Simplify right side
    236,878.56x = 44,126,597,764.47
  5. Step 5: Solve for x
    x = 44,126,597,764.47/236,878.56
  6. Step 6: Final answer
    x = 186,283.63

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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.