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Finding the Fourth Proportional to 173,581.79, 260,401.84 and 55,289.39

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Solution

The fourth proportional to 173,581.79, 260,401.84 and 55,289.39 is: 82,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,581.79 : 260,401.84 = 55,289.39 : x
  2. Step 2: Convert to fraction form
    173,581.79/260,401.84 = 55,289.39/x
  3. Step 3: Cross multiply
    173,581.79x = 260,401.84 × 55,289.39
  4. Step 4: Simplify right side
    173,581.79x = 14,397,457,448.24
  5. Step 5: Solve for x
    x = 14,397,457,448.24/173,581.79
  6. Step 6: Final answer
    x = 82,943.37

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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.