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Finding the Fourth Proportional to 248,484.73, 372,786.68 and 80,020.93

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Solution

The fourth proportional to 248,484.73, 372,786.68 and 80,020.93 is: 120,050.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,484.73 : 372,786.68 = 80,020.93 : x
  2. Step 2: Convert to fraction form
    248,484.73/372,786.68 = 80,020.93/x
  3. Step 3: Cross multiply
    248,484.73x = 372,786.68 × 80,020.93
  4. Step 4: Simplify right side
    248,484.73x = 29,830,736,825.21
  5. Step 5: Solve for x
    x = 29,830,736,825.21/248,484.73
  6. Step 6: Final answer
    x = 120,050.58

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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.