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Finding the Fourth Proportional to 173,874.75, 260,834.40 and 49,215.75

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Solution

The fourth proportional to 173,874.75, 260,834.40 and 49,215.75 is: 73,829.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,874.75 : 260,834.40 = 49,215.75 : x
  2. Step 2: Convert to fraction form
    173,874.75/260,834.40 = 49,215.75/x
  3. Step 3: Cross multiply
    173,874.75x = 260,834.40 × 49,215.75
  4. Step 4: Simplify right side
    173,874.75x = 12,837,160,621.80
  5. Step 5: Solve for x
    x = 12,837,160,621.80/173,874.75
  6. Step 6: Final answer
    x = 73,829.93

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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.