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Finding the Fourth Proportional to 294,301.70, 441,456.55 and 83,939.62

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Solution

The fourth proportional to 294,301.70, 441,456.55 and 83,939.62 is: 125,910.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,301.70 : 441,456.55 = 83,939.62 : x
  2. Step 2: Convert to fraction form
    294,301.70/441,456.55 = 83,939.62/x
  3. Step 3: Cross multiply
    294,301.70x = 441,456.55 × 83,939.62
  4. Step 4: Simplify right side
    294,301.70x = 37,055,695,053.51
  5. Step 5: Solve for x
    x = 37,055,695,053.51/294,301.70
  6. Step 6: Final answer
    x = 125,910.57

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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.