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Finding the Fourth Proportional to 65,899.25, 98,600.87 and 46,216.21

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Solution

The fourth proportional to 65,899.25, 98,600.87 and 46,216.21 is: 69,150.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,899.25 : 98,600.87 = 46,216.21 : x
  2. Step 2: Convert to fraction form
    65,899.25/98,600.87 = 46,216.21/x
  3. Step 3: Cross multiply
    65,899.25x = 98,600.87 × 46,216.21
  4. Step 4: Simplify right side
    65,899.25x = 4,556,958,514.10
  5. Step 5: Solve for x
    x = 4,556,958,514.10/65,899.25
  6. Step 6: Final answer
    x = 69,150.39

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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.