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Finding the Fourth Proportional to 201,273.30, 302,104.35 and 122,541.30

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Solution

The fourth proportional to 201,273.30, 302,104.35 and 122,541.30 is: 183,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,273.30 : 302,104.35 = 122,541.30 : x
  2. Step 2: Convert to fraction form
    201,273.30/302,104.35 = 122,541.30/x
  3. Step 3: Cross multiply
    201,273.30x = 302,104.35 × 122,541.30
  4. Step 4: Simplify right side
    201,273.30x = 37,020,259,784.66
  5. Step 5: Solve for x
    x = 37,020,259,784.66/201,273.30
  6. Step 6: Final answer
    x = 183,930.31

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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.