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Finding the Fourth Proportional to 240,802.93, 332,311.44 and 138,826.36

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Solution

The fourth proportional to 240,802.93, 332,311.44 and 138,826.36 is: 191,582.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,802.93 : 332,311.44 = 138,826.36 : x
  2. Step 2: Convert to fraction form
    240,802.93/332,311.44 = 138,826.36/x
  3. Step 3: Cross multiply
    240,802.93x = 332,311.44 × 138,826.36
  4. Step 4: Simplify right side
    240,802.93x = 46,133,587,601.56
  5. Step 5: Solve for x
    x = 46,133,587,601.56/240,802.93
  6. Step 6: Final answer
    x = 191,582.33

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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.