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Finding the Fourth Proportional to 378,369.81, 567,538.31 and 94,054.34

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Solution

The fourth proportional to 378,369.81, 567,538.31 and 94,054.34 is: 141,077.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,369.81 : 567,538.31 = 94,054.34 : x
  2. Step 2: Convert to fraction form
    378,369.81/567,538.31 = 94,054.34/x
  3. Step 3: Cross multiply
    378,369.81x = 567,538.31 × 94,054.34
  4. Step 4: Simplify right side
    378,369.81x = 53,379,442,825.75
  5. Step 5: Solve for x
    x = 53,379,442,825.75/378,369.81
  6. Step 6: Final answer
    x = 141,077.44

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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.