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Finding the Fourth Proportional to 75,499.94, 104,187.71 and 41,508.48

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Solution

The fourth proportional to 75,499.94, 104,187.71 and 41,508.48 is: 57,280.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,499.94 : 104,187.71 = 41,508.48 : x
  2. Step 2: Convert to fraction form
    75,499.94/104,187.71 = 41,508.48/x
  3. Step 3: Cross multiply
    75,499.94x = 104,187.71 × 41,508.48
  4. Step 4: Simplify right side
    75,499.94x = 4,324,673,269.24
  5. Step 5: Solve for x
    x = 4,324,673,269.24/75,499.94
  6. Step 6: Final answer
    x = 57,280.49

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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.