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Finding the Fourth Proportional to 106,564.80, 149,467.20 and 106,564.80

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Solution

The fourth proportional to 106,564.80, 149,467.20 and 106,564.80 is: 149,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,564.80 : 149,467.20 = 106,564.80 : x
  2. Step 2: Convert to fraction form
    106,564.80/149,467.20 = 106,564.80/x
  3. Step 3: Cross multiply
    106,564.80x = 149,467.20 × 106,564.80
  4. Step 4: Simplify right side
    106,564.80x = 15,927,942,274.56
  5. Step 5: Solve for x
    x = 15,927,942,274.56/106,564.80
  6. Step 6: Final answer
    x = 149,467.20

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.