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Finding the Fourth Proportional to 106,485.98, 159,728.81 and 27,600.28

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Solution

The fourth proportional to 106,485.98, 159,728.81 and 27,600.28 is: 41,400.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,485.98 : 159,728.81 = 27,600.28 : x
  2. Step 2: Convert to fraction form
    106,485.98/159,728.81 = 27,600.28/x
  3. Step 3: Cross multiply
    106,485.98x = 159,728.81 × 27,600.28
  4. Step 4: Simplify right side
    106,485.98x = 4,408,559,880.07
  5. Step 5: Solve for x
    x = 4,408,559,880.07/106,485.98
  6. Step 6: Final answer
    x = 41,400.38

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1.5x scale

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.