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Finding the Fourth Proportional to 199,802.09, 299,470.37 and 73,346.92

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Solution

The fourth proportional to 199,802.09, 299,470.37 and 73,346.92 is: 109,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,802.09 : 299,470.37 = 73,346.92 : x
  2. Step 2: Convert to fraction form
    199,802.09/299,470.37 = 73,346.92/x
  3. Step 3: Cross multiply
    199,802.09x = 299,470.37 × 73,346.92
  4. Step 4: Simplify right side
    199,802.09x = 21,965,228,155.35
  5. Step 5: Solve for x
    x = 21,965,228,155.35/199,802.09
  6. Step 6: Final answer
    x = 109,934.93

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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.