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Finding the Fourth Proportional to 173,406.72, 260,110.07 and 48,747.72

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Solution

The fourth proportional to 173,406.72, 260,110.07 and 48,747.72 is: 73,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,406.72 : 260,110.07 = 48,747.72 : x
  2. Step 2: Convert to fraction form
    173,406.72/260,110.07 = 48,747.72/x
  3. Step 3: Cross multiply
    173,406.72x = 260,110.07 × 48,747.72
  4. Step 4: Simplify right side
    173,406.72x = 12,679,772,861.54
  5. Step 5: Solve for x
    x = 12,679,772,861.54/173,406.72
  6. Step 6: Final answer
    x = 73,121.58

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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.