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Finding the Fourth Proportional to 248,034.42, 372,053.66 and 79,555.03

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Solution

The fourth proportional to 248,034.42, 372,053.66 and 79,555.03 is: 119,333.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,034.42 : 372,053.66 = 79,555.03 : x
  2. Step 2: Convert to fraction form
    248,034.42/372,053.66 = 79,555.03/x
  3. Step 3: Cross multiply
    248,034.42x = 372,053.66 × 79,555.03
  4. Step 4: Simplify right side
    248,034.42x = 29,598,738,755.00
  5. Step 5: Solve for x
    x = 29,598,738,755.00/248,034.42
  6. Step 6: Final answer
    x = 119,333.19

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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.