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Finding the Fourth Proportional to 116,907.84, 161,343.36 and 66,623.04

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Solution

The fourth proportional to 116,907.84, 161,343.36 and 66,623.04 is: 91,945.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,907.84 : 161,343.36 = 66,623.04 : x
  2. Step 2: Convert to fraction form
    116,907.84/161,343.36 = 66,623.04/x
  3. Step 3: Cross multiply
    116,907.84x = 161,343.36 × 66,623.04
  4. Step 4: Simplify right side
    116,907.84x = 10,749,185,127.01
  5. Step 5: Solve for x
    x = 10,749,185,127.01/116,907.84
  6. Step 6: Final answer
    x = 91,945.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.