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Finding the Fourth Proportional to 111,571.56, 167,283.02 and 40,485.02

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Solution

The fourth proportional to 111,571.56, 167,283.02 and 40,485.02 is: 60,700.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,571.56 : 167,283.02 = 40,485.02 : x
  2. Step 2: Convert to fraction form
    111,571.56/167,283.02 = 40,485.02/x
  3. Step 3: Cross multiply
    111,571.56x = 167,283.02 × 40,485.02
  4. Step 4: Simplify right side
    111,571.56x = 6,772,455,675.16
  5. Step 5: Solve for x
    x = 6,772,455,675.16/111,571.56
  6. Step 6: Final answer
    x = 60,700.56

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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.