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Finding the Fourth Proportional to 119,676.07, 165,156.94 and 65,963.05

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Solution

The fourth proportional to 119,676.07, 165,156.94 and 65,963.05 is: 91,031.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,676.07 : 165,156.94 = 65,963.05 : x
  2. Step 2: Convert to fraction form
    119,676.07/165,156.94 = 65,963.05/x
  3. Step 3: Cross multiply
    119,676.07x = 165,156.94 × 65,963.05
  4. Step 4: Simplify right side
    119,676.07x = 10,894,255,491.07
  5. Step 5: Solve for x
    x = 10,894,255,491.07/119,676.07
  6. Step 6: Final answer
    x = 91,031.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.