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Finding the Fourth Proportional to 167,065.12, 250,571.76 and 48,724.12

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Solution

The fourth proportional to 167,065.12, 250,571.76 and 48,724.12 is: 73,078.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,065.12 : 250,571.76 = 48,724.12 : x
  2. Step 2: Convert to fraction form
    167,065.12/250,571.76 = 48,724.12/x
  3. Step 3: Cross multiply
    167,065.12x = 250,571.76 × 48,724.12
  4. Step 4: Simplify right side
    167,065.12x = 12,208,888,502.85
  5. Step 5: Solve for x
    x = 12,208,888,502.85/167,065.12
  6. Step 6: Final answer
    x = 73,078.62

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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.