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Finding the Fourth Proportional to 203,472.75, 304,899.27 and 103,483.11

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Solution

The fourth proportional to 203,472.75, 304,899.27 and 103,483.11 is: 155,067.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,472.75 : 304,899.27 = 103,483.11 : x
  2. Step 2: Convert to fraction form
    203,472.75/304,899.27 = 103,483.11/x
  3. Step 3: Cross multiply
    203,472.75x = 304,899.27 × 103,483.11
  4. Step 4: Simplify right side
    203,472.75x = 31,551,924,696.33
  5. Step 5: Solve for x
    x = 31,551,924,696.33/203,472.75
  6. Step 6: Final answer
    x = 155,067.08

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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.