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Finding the Fourth Proportional to 262,600.79, 393,868.37 and 73,075.37

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Solution

The fourth proportional to 262,600.79, 393,868.37 and 73,075.37 is: 109,603.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,600.79 : 393,868.37 = 73,075.37 : x
  2. Step 2: Convert to fraction form
    262,600.79/393,868.37 = 73,075.37/x
  3. Step 3: Cross multiply
    262,600.79x = 393,868.37 × 73,075.37
  4. Step 4: Simplify right side
    262,600.79x = 28,782,075,082.39
  5. Step 5: Solve for x
    x = 28,782,075,082.39/262,600.79
  6. Step 6: Final answer
    x = 109,603.92

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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.