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Finding the Fourth Proportional to 173,379.74, 260,144.74 and 61,140.16

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Solution

The fourth proportional to 173,379.74, 260,144.74 and 61,140.16 is: 91,736.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,379.74 : 260,144.74 = 61,140.16 : x
  2. Step 2: Convert to fraction form
    173,379.74/260,144.74 = 61,140.16/x
  3. Step 3: Cross multiply
    173,379.74x = 260,144.74 × 61,140.16
  4. Step 4: Simplify right side
    173,379.74x = 15,905,290,452.82
  5. Step 5: Solve for x
    x = 15,905,290,452.82/173,379.74
  6. Step 6: Final answer
    x = 91,736.73

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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.