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Finding the Fourth Proportional to 117,175.92, 161,703.42 and 63,461.04

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Solution

The fourth proportional to 117,175.92, 161,703.42 and 63,461.04 is: 87,576.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,175.92 : 161,703.42 = 63,461.04 : x
  2. Step 2: Convert to fraction form
    117,175.92/161,703.42 = 63,461.04/x
  3. Step 3: Cross multiply
    117,175.92x = 161,703.42 × 63,461.04
  4. Step 4: Simplify right side
    117,175.92x = 10,261,867,204.76
  5. Step 5: Solve for x
    x = 10,261,867,204.76/117,175.92
  6. Step 6: Final answer
    x = 87,576.59

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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.