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Finding the Fourth Proportional to 173,336.76, 260,016.48 and 53,379

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Solution

The fourth proportional to 173,336.76, 260,016.48 and 53,379 is: 80,071.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,336.76 : 260,016.48 = 53,379 : x
  2. Step 2: Convert to fraction form
    173,336.76/260,016.48 = 53,379/x
  3. Step 3: Cross multiply
    173,336.76x = 260,016.48 × 53,379
  4. Step 4: Simplify right side
    173,336.76x = 13,879,419,685.92
  5. Step 5: Solve for x
    x = 13,879,419,685.92/173,336.76
  6. Step 6: Final answer
    x = 80,071.99

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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.