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Finding the Fourth Proportional to 173,220.44, 259,916.79 and 97,271.78

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Solution

The fourth proportional to 173,220.44, 259,916.79 and 97,271.78 is: 145,956.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,220.44 : 259,916.79 = 97,271.78 : x
  2. Step 2: Convert to fraction form
    173,220.44/259,916.79 = 97,271.78/x
  3. Step 3: Cross multiply
    173,220.44x = 259,916.79 × 97,271.78
  4. Step 4: Simplify right side
    173,220.44x = 25,282,568,815.19
  5. Step 5: Solve for x
    x = 25,282,568,815.19/173,220.44
  6. Step 6: Final answer
    x = 145,956.04

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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.