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Finding the Fourth Proportional to 203,046.90, 304,521.12 and 84,719.22

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Solution

The fourth proportional to 203,046.90, 304,521.12 and 84,719.22 is: 127,058.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,046.90 : 304,521.12 = 84,719.22 : x
  2. Step 2: Convert to fraction form
    203,046.90/304,521.12 = 84,719.22/x
  3. Step 3: Cross multiply
    203,046.90x = 304,521.12 × 84,719.22
  4. Step 4: Simplify right side
    203,046.90x = 25,798,791,759.93
  5. Step 5: Solve for x
    x = 25,798,791,759.93/203,046.90
  6. Step 6: Final answer
    x = 127,058.29

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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.