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Finding the Fourth Proportional to 75,444.88, 104,121.84 and 41,910.88

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Solution

The fourth proportional to 75,444.88, 104,121.84 and 41,910.88 is: 57,841.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,444.88 : 104,121.84 = 41,910.88 : x
  2. Step 2: Convert to fraction form
    75,444.88/104,121.84 = 41,910.88/x
  3. Step 3: Cross multiply
    75,444.88x = 104,121.84 × 41,910.88
  4. Step 4: Simplify right side
    75,444.88x = 4,363,837,941.62
  5. Step 5: Solve for x
    x = 4,363,837,941.62/75,444.88
  6. Step 6: Final answer
    x = 57,841.41

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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.