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Finding the Fourth Proportional to 340,568.96, 510,676.06 and 127,161.37

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Solution

The fourth proportional to 340,568.96, 510,676.06 and 127,161.37 is: 190,675.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,568.96 : 510,676.06 = 127,161.37 : x
  2. Step 2: Convert to fraction form
    340,568.96/510,676.06 = 127,161.37/x
  3. Step 3: Cross multiply
    340,568.96x = 510,676.06 × 127,161.37
  4. Step 4: Simplify right side
    340,568.96x = 64,938,266,806.62
  5. Step 5: Solve for x
    x = 64,938,266,806.62/340,568.96
  6. Step 6: Final answer
    x = 190,675.82

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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.