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Finding the Fourth Proportional to 167,078.40, 250,675.20 and 73,651.20

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Solution

The fourth proportional to 167,078.40, 250,675.20 and 73,651.20 is: 110,502.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,078.40 : 250,675.20 = 73,651.20 : x
  2. Step 2: Convert to fraction form
    167,078.40/250,675.20 = 73,651.20/x
  3. Step 3: Cross multiply
    167,078.40x = 250,675.20 × 73,651.20
  4. Step 4: Simplify right side
    167,078.40x = 18,462,529,290.24
  5. Step 5: Solve for x
    x = 18,462,529,290.24/167,078.40
  6. Step 6: Final answer
    x = 110,502.19

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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.