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Finding the Fourth Proportional to 181,961.25, 272,958.32 and 69,636.93

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Solution

The fourth proportional to 181,961.25, 272,958.32 and 69,636.93 is: 104,461.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,961.25 : 272,958.32 = 69,636.93 : x
  2. Step 2: Convert to fraction form
    181,961.25/272,958.32 = 69,636.93/x
  3. Step 3: Cross multiply
    181,961.25x = 272,958.32 × 69,636.93
  4. Step 4: Simplify right side
    181,961.25x = 19,007,979,422.76
  5. Step 5: Solve for x
    x = 19,007,979,422.76/181,961.25
  6. Step 6: Final answer
    x = 104,461.69

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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.