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Finding the Fourth Proportional to 75,328.74, 103,952.72 and 43,496.94

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Solution

The fourth proportional to 75,328.74, 103,952.72 and 43,496.94 is: 60,025.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,328.74 : 103,952.72 = 43,496.94 : x
  2. Step 2: Convert to fraction form
    75,328.74/103,952.72 = 43,496.94/x
  3. Step 3: Cross multiply
    75,328.74x = 103,952.72 × 43,496.94
  4. Step 4: Simplify right side
    75,328.74x = 4,521,625,224.68
  5. Step 5: Solve for x
    x = 4,521,625,224.68/75,328.74
  6. Step 6: Final answer
    x = 60,025.23

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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.