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Finding the Fourth Proportional to 203,094.53, 304,670.94 and 69,939.03

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Solution

The fourth proportional to 203,094.53, 304,670.94 and 69,939.03 is: 104,918.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,094.53 : 304,670.94 = 69,939.03 : x
  2. Step 2: Convert to fraction form
    203,094.53/304,670.94 = 69,939.03/x
  3. Step 3: Cross multiply
    203,094.53x = 304,670.94 × 69,939.03
  4. Step 4: Simplify right side
    203,094.53x = 21,308,390,012.79
  5. Step 5: Solve for x
    x = 21,308,390,012.79/203,094.53
  6. Step 6: Final answer
    x = 104,918.58

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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.