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Finding the Fourth Proportional to 241,911.69, 333,881.76 and 139,922.97

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Solution

The fourth proportional to 241,911.69, 333,881.76 and 139,922.97 is: 193,118.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,911.69 : 333,881.76 = 139,922.97 : x
  2. Step 2: Convert to fraction form
    241,911.69/333,881.76 = 139,922.97/x
  3. Step 3: Cross multiply
    241,911.69x = 333,881.76 × 139,922.97
  4. Step 4: Simplify right side
    241,911.69x = 46,717,727,488.03
  5. Step 5: Solve for x
    x = 46,717,727,488.03/241,911.69
  6. Step 6: Final answer
    x = 193,118.93

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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.