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Finding the Fourth Proportional to 248,791.14, 373,245.30 and 99,039.96

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Solution

The fourth proportional to 248,791.14, 373,245.30 and 99,039.96 is: 148,583.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,791.14 : 373,245.30 = 99,039.96 : x
  2. Step 2: Convert to fraction form
    248,791.14/373,245.30 = 99,039.96/x
  3. Step 3: Cross multiply
    248,791.14x = 373,245.30 × 99,039.96
  4. Step 4: Simplify right side
    248,791.14x = 36,966,199,582.19
  5. Step 5: Solve for x
    x = 36,966,199,582.19/248,791.14
  6. Step 6: Final answer
    x = 148,583.26

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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.