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Finding the Fourth Proportional to 273,711.21, 410,578.16 and 93,920.24

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Solution

The fourth proportional to 273,711.21, 410,578.16 and 93,920.24 is: 140,884.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,711.21 : 410,578.16 = 93,920.24 : x
  2. Step 2: Convert to fraction form
    273,711.21/410,578.16 = 93,920.24/x
  3. Step 3: Cross multiply
    273,711.21x = 410,578.16 × 93,920.24
  4. Step 4: Simplify right side
    273,711.21x = 38,561,596,803.47
  5. Step 5: Solve for x
    x = 38,561,596,803.47/273,711.21
  6. Step 6: Final answer
    x = 140,884.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.