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Finding the Fourth Proportional to 366,962.68, 550,481.80 and 127,076.11

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Solution

The fourth proportional to 366,962.68, 550,481.80 and 127,076.11 is: 190,627.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,962.68 : 550,481.80 = 127,076.11 : x
  2. Step 2: Convert to fraction form
    366,962.68/550,481.80 = 127,076.11/x
  3. Step 3: Cross multiply
    366,962.68x = 550,481.80 × 127,076.11
  4. Step 4: Simplify right side
    366,962.68x = 69,953,085,134.42
  5. Step 5: Solve for x
    x = 69,953,085,134.42/366,962.68
  6. Step 6: Final answer
    x = 190,627.25

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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.