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Finding the Fourth Proportional to 367,156.63, 550,610.22 and 127,214.53

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Solution

The fourth proportional to 367,156.63, 550,610.22 and 127,214.53 is: 190,778.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,156.63 : 550,610.22 = 127,214.53 : x
  2. Step 2: Convert to fraction form
    367,156.63/550,610.22 = 127,214.53/x
  3. Step 3: Cross multiply
    367,156.63x = 550,610.22 × 127,214.53
  4. Step 4: Simplify right side
    367,156.63x = 70,045,618,973.97
  5. Step 5: Solve for x
    x = 70,045,618,973.97/367,156.63
  6. Step 6: Final answer
    x = 190,778.58

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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.