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Finding the Fourth Proportional to 167,494.70, 251,100.81 and 72,653.51

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Solution

The fourth proportional to 167,494.70, 251,100.81 and 72,653.51 is: 108,919.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,494.70 : 251,100.81 = 72,653.51 : x
  2. Step 2: Convert to fraction form
    167,494.70/251,100.81 = 72,653.51/x
  3. Step 3: Cross multiply
    167,494.70x = 251,100.81 × 72,653.51
  4. Step 4: Simplify right side
    167,494.70x = 18,243,353,954.84
  5. Step 5: Solve for x
    x = 18,243,353,954.84/167,494.70
  6. Step 6: Final answer
    x = 108,919.00

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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.