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Finding the Fourth Proportional to 379,335.12, 568,996.16 and 113,097

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Solution

The fourth proportional to 379,335.12, 568,996.16 and 113,097 is: 169,643.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,335.12 : 568,996.16 = 113,097 : x
  2. Step 2: Convert to fraction form
    379,335.12/568,996.16 = 113,097/x
  3. Step 3: Cross multiply
    379,335.12x = 568,996.16 × 113,097
  4. Step 4: Simplify right side
    379,335.12x = 64,351,758,707.52
  5. Step 5: Solve for x
    x = 64,351,758,707.52/379,335.12
  6. Step 6: Final answer
    x = 169,643.56

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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.