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Finding the Fourth Proportional to 104,211.41, 143,814.41 and 63,947.42

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Solution

The fourth proportional to 104,211.41, 143,814.41 and 63,947.42 is: 88,249.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,211.41 : 143,814.41 = 63,947.42 : x
  2. Step 2: Convert to fraction form
    104,211.41/143,814.41 = 63,947.42/x
  3. Step 3: Cross multiply
    104,211.41x = 143,814.41 × 63,947.42
  4. Step 4: Simplify right side
    104,211.41x = 9,196,559,919.12
  5. Step 5: Solve for x
    x = 9,196,559,919.12/104,211.41
  6. Step 6: Final answer
    x = 88,249.07

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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.