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Finding the Fourth Proportional to 173,371.40, 259,884.30 and 79,713.80

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Solution

The fourth proportional to 173,371.40, 259,884.30 and 79,713.80 is: 119,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,371.40 : 259,884.30 = 79,713.80 : x
  2. Step 2: Convert to fraction form
    173,371.40/259,884.30 = 79,713.80/x
  3. Step 3: Cross multiply
    173,371.40x = 259,884.30 × 79,713.80
  4. Step 4: Simplify right side
    173,371.40x = 20,716,365,113.34
  5. Step 5: Solve for x
    x = 20,716,365,113.34/173,371.40
  6. Step 6: Final answer
    x = 119,491.25

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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.