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Finding the Fourth Proportional to 183,802.97, 275,721.50 and 71,491.75

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Solution

The fourth proportional to 183,802.97, 275,721.50 and 71,491.75 is: 107,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,802.97 : 275,721.50 = 71,491.75 : x
  2. Step 2: Convert to fraction form
    183,802.97/275,721.50 = 71,491.75/x
  3. Step 3: Cross multiply
    183,802.97x = 275,721.50 × 71,491.75
  4. Step 4: Simplify right side
    183,802.97x = 19,711,812,037.05
  5. Step 5: Solve for x
    x = 19,711,812,037.05/183,802.97
  6. Step 6: Final answer
    x = 107,244.25

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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.