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Finding the Fourth Proportional to 255,236.84, 382,940.51 and 113,062.80

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Solution

The fourth proportional to 255,236.84, 382,940.51 and 113,062.80 is: 169,631.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,236.84 : 382,940.51 = 113,062.80 : x
  2. Step 2: Convert to fraction form
    255,236.84/382,940.51 = 113,062.80/x
  3. Step 3: Cross multiply
    255,236.84x = 382,940.51 × 113,062.80
  4. Step 4: Simplify right side
    255,236.84x = 43,296,326,294.03
  5. Step 5: Solve for x
    x = 43,296,326,294.03/255,236.84
  6. Step 6: Final answer
    x = 169,631.96

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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.