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Finding the Fourth Proportional to 199,632.60, 275,456.70 and 119,064.60

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Solution

The fourth proportional to 199,632.60, 275,456.70 and 119,064.60 is: 164,287.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,632.60 : 275,456.70 = 119,064.60 : x
  2. Step 2: Convert to fraction form
    199,632.60/275,456.70 = 119,064.60/x
  3. Step 3: Cross multiply
    199,632.60x = 275,456.70 × 119,064.60
  4. Step 4: Simplify right side
    199,632.60x = 32,797,141,802.82
  5. Step 5: Solve for x
    x = 32,797,141,802.82/199,632.60
  6. Step 6: Final answer
    x = 164,287.51

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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.