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Finding the Fourth Proportional to 167,142.74, 250,779.74 and 73,582.88

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Solution

The fourth proportional to 167,142.74, 250,779.74 and 73,582.88 is: 110,403.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,142.74 : 250,779.74 = 73,582.88 : x
  2. Step 2: Convert to fraction form
    167,142.74/250,779.74 = 73,582.88/x
  3. Step 3: Cross multiply
    167,142.74x = 250,779.74 × 73,582.88
  4. Step 4: Simplify right side
    167,142.74x = 18,453,093,893.04
  5. Step 5: Solve for x
    x = 18,453,093,893.04/167,142.74
  6. Step 6: Final answer
    x = 110,403.21

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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.