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Finding the Fourth Proportional to 218,466.72, 301,040.55 and 167,480.46

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Solution

The fourth proportional to 218,466.72, 301,040.55 and 167,480.46 is: 230,783.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,466.72 : 301,040.55 = 167,480.46 : x
  2. Step 2: Convert to fraction form
    218,466.72/301,040.55 = 167,480.46/x
  3. Step 3: Cross multiply
    218,466.72x = 301,040.55 × 167,480.46
  4. Step 4: Simplify right side
    218,466.72x = 50,418,409,792.65
  5. Step 5: Solve for x
    x = 50,418,409,792.65/218,466.72
  6. Step 6: Final answer
    x = 230,783.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.