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Finding the Fourth Proportional to 230,320.44, 317,696.76 and 158,575.86

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Solution

The fourth proportional to 230,320.44, 317,696.76 and 158,575.86 is: 218,734.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,320.44 : 317,696.76 = 158,575.86 : x
  2. Step 2: Convert to fraction form
    230,320.44/317,696.76 = 158,575.86/x
  3. Step 3: Cross multiply
    230,320.44x = 317,696.76 × 158,575.86
  4. Step 4: Simplify right side
    230,320.44x = 50,379,036,936.21
  5. Step 5: Solve for x
    x = 50,379,036,936.21/230,320.44
  6. Step 6: Final answer
    x = 218,734.55

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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.