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Finding the Fourth Proportional to 203,179.93, 304,789.94 and 70,042.66

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Solution

The fourth proportional to 203,179.93, 304,789.94 and 70,042.66 is: 105,070.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,179.93 : 304,789.94 = 70,042.66 : x
  2. Step 2: Convert to fraction form
    203,179.93/304,789.94 = 70,042.66/x
  3. Step 3: Cross multiply
    203,179.93x = 304,789.94 × 70,042.66
  4. Step 4: Simplify right side
    203,179.93x = 21,348,296,264.68
  5. Step 5: Solve for x
    x = 21,348,296,264.68/203,179.93
  6. Step 6: Final answer
    x = 105,070.89

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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.