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Finding the Fourth Proportional to 176,804.06, 243,990.62 and 96,231.39

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Solution

The fourth proportional to 176,804.06, 243,990.62 and 96,231.39 is: 132,799.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,804.06 : 243,990.62 = 96,231.39 : x
  2. Step 2: Convert to fraction form
    176,804.06/243,990.62 = 96,231.39/x
  3. Step 3: Cross multiply
    176,804.06x = 243,990.62 × 96,231.39
  4. Step 4: Simplify right side
    176,804.06x = 23,479,556,509.56
  5. Step 5: Solve for x
    x = 23,479,556,509.56/176,804.06
  6. Step 6: Final answer
    x = 132,799.87

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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.