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Finding the Fourth Proportional to 143,989.44, 198,571.44 and 95,506.08

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Solution

The fourth proportional to 143,989.44, 198,571.44 and 95,506.08 is: 131,709.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,989.44 : 198,571.44 = 95,506.08 : x
  2. Step 2: Convert to fraction form
    143,989.44/198,571.44 = 95,506.08/x
  3. Step 3: Cross multiply
    143,989.44x = 198,571.44 × 95,506.08
  4. Step 4: Simplify right side
    143,989.44x = 18,964,779,834.36
  5. Step 5: Solve for x
    x = 18,964,779,834.36/143,989.44
  6. Step 6: Final answer
    x = 131,709.52

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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.