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Finding the Fourth Proportional to 140,525.87, 210,791.55 and 51,733.67

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Solution

The fourth proportional to 140,525.87, 210,791.55 and 51,733.67 is: 77,601.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,525.87 : 210,791.55 = 51,733.67 : x
  2. Step 2: Convert to fraction form
    140,525.87/210,791.55 = 51,733.67/x
  3. Step 3: Cross multiply
    140,525.87x = 210,791.55 × 51,733.67
  4. Step 4: Simplify right side
    140,525.87x = 10,905,020,486.49
  5. Step 5: Solve for x
    x = 10,905,020,486.49/140,525.87
  6. Step 6: Final answer
    x = 77,601.52

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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.