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Finding the Fourth Proportional to 107,954.90, 162,028.64 and 107,553.02

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Solution

The fourth proportional to 107,954.90, 162,028.64 and 107,553.02 is: 161,425.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,954.90 : 162,028.64 = 107,553.02 : x
  2. Step 2: Convert to fraction form
    107,954.90/162,028.64 = 107,553.02/x
  3. Step 3: Cross multiply
    107,954.90x = 162,028.64 × 107,553.02
  4. Step 4: Simplify right side
    107,954.90x = 17,426,669,558.49
  5. Step 5: Solve for x
    x = 17,426,669,558.49/107,954.90
  6. Step 6: Final answer
    x = 161,425.46

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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.