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Finding the Fourth Proportional to 226,916.40, 340,374.60 and 127,383.60

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Solution

The fourth proportional to 226,916.40, 340,374.60 and 127,383.60 is: 191,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,916.40 : 340,374.60 = 127,383.60 : x
  2. Step 2: Convert to fraction form
    226,916.40/340,374.60 = 127,383.60/x
  3. Step 3: Cross multiply
    226,916.40x = 340,374.60 × 127,383.60
  4. Step 4: Simplify right side
    226,916.40x = 43,358,141,896.56
  5. Step 5: Solve for x
    x = 43,358,141,896.56/226,916.40
  6. Step 6: Final answer
    x = 191,075.40

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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.