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Finding the Fourth Proportional to 161,156.69, 241,735.04 and 61,293.82

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Solution

The fourth proportional to 161,156.69, 241,735.04 and 61,293.82 is: 91,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,156.69 : 241,735.04 = 61,293.82 : x
  2. Step 2: Convert to fraction form
    161,156.69/241,735.04 = 61,293.82/x
  3. Step 3: Cross multiply
    161,156.69x = 241,735.04 × 61,293.82
  4. Step 4: Simplify right side
    161,156.69x = 14,816,862,514.31
  5. Step 5: Solve for x
    x = 14,816,862,514.31/161,156.69
  6. Step 6: Final answer
    x = 91,940.72

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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.