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Finding the Fourth Proportional to 186,137.01, 279,099.59 and 127,044.27

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Solution

The fourth proportional to 186,137.01, 279,099.59 and 127,044.27 is: 190,494.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,137.01 : 279,099.59 = 127,044.27 : x
  2. Step 2: Convert to fraction form
    186,137.01/279,099.59 = 127,044.27/x
  3. Step 3: Cross multiply
    186,137.01x = 279,099.59 × 127,044.27
  4. Step 4: Simplify right side
    186,137.01x = 35,458,003,033.63
  5. Step 5: Solve for x
    x = 35,458,003,033.63/186,137.01
  6. Step 6: Final answer
    x = 190,494.10

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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.