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Finding the Fourth Proportional to 119,844, 165,384.72 and 66,852

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Solution

The fourth proportional to 119,844, 165,384.72 and 66,852 is: 92,255.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,844 : 165,384.72 = 66,852 : x
  2. Step 2: Convert to fraction form
    119,844/165,384.72 = 66,852/x
  3. Step 3: Cross multiply
    119,844x = 165,384.72 × 66,852
  4. Step 4: Simplify right side
    119,844x = 11,056,299,301.44
  5. Step 5: Solve for x
    x = 11,056,299,301.44/119,844
  6. Step 6: Final answer
    x = 92,255.76

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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.