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Finding the Fourth Proportional to 75,108.99, 103,650.55 and 41,119.59

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Solution

The fourth proportional to 75,108.99, 103,650.55 and 41,119.59 is: 56,745.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,108.99 : 103,650.55 = 41,119.59 : x
  2. Step 2: Convert to fraction form
    75,108.99/103,650.55 = 41,119.59/x
  3. Step 3: Cross multiply
    75,108.99x = 103,650.55 × 41,119.59
  4. Step 4: Simplify right side
    75,108.99x = 4,262,068,016.48
  5. Step 5: Solve for x
    x = 4,262,068,016.48/75,108.99
  6. Step 6: Final answer
    x = 56,745.11

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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.