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Finding the Fourth Proportional to 173,572.84, 260,379.78 and 61,229.62

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Solution

The fourth proportional to 173,572.84, 260,379.78 and 61,229.62 is: 91,851.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,572.84 : 260,379.78 = 61,229.62 : x
  2. Step 2: Convert to fraction form
    173,572.84/260,379.78 = 61,229.62/x
  3. Step 3: Cross multiply
    173,572.84x = 260,379.78 × 61,229.62
  4. Step 4: Simplify right side
    173,572.84x = 15,942,954,985.08
  5. Step 5: Solve for x
    x = 15,942,954,985.08/173,572.84
  6. Step 6: Final answer
    x = 91,851.67

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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.