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Finding the Fourth Proportional to 75,289.88, 103,888.22 and 43,452.84

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Solution

The fourth proportional to 75,289.88, 103,888.22 and 43,452.84 is: 59,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,289.88 : 103,888.22 = 43,452.84 : x
  2. Step 2: Convert to fraction form
    75,289.88/103,888.22 = 43,452.84/x
  3. Step 3: Cross multiply
    75,289.88x = 103,888.22 × 43,452.84
  4. Step 4: Simplify right side
    75,289.88x = 4,514,238,201.54
  5. Step 5: Solve for x
    x = 4,514,238,201.54/75,289.88
  6. Step 6: Final answer
    x = 59,958.10

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1.5x scale

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.