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Finding the Fourth Proportional to 199,779.44, 275,683.44 and 109,117.04

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Solution

The fourth proportional to 199,779.44, 275,683.44 and 109,117.04 is: 150,574.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,779.44 : 275,683.44 = 109,117.04 : x
  2. Step 2: Convert to fraction form
    199,779.44/275,683.44 = 109,117.04/x
  3. Step 3: Cross multiply
    199,779.44x = 275,683.44 × 109,117.04
  4. Step 4: Simplify right side
    199,779.44x = 30,081,760,949.82
  5. Step 5: Solve for x
    x = 30,081,760,949.82/199,779.44
  6. Step 6: Final answer
    x = 150,574.86

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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.