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Finding the Fourth Proportional to 187,075.02, 280,603.99 and 68,737.67

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Solution

The fourth proportional to 187,075.02, 280,603.99 and 68,737.67 is: 103,103.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,075.02 : 280,603.99 = 68,737.67 : x
  2. Step 2: Convert to fraction form
    187,075.02/280,603.99 = 68,737.67/x
  3. Step 3: Cross multiply
    187,075.02x = 280,603.99 × 68,737.67
  4. Step 4: Simplify right side
    187,075.02x = 19,288,064,465.30
  5. Step 5: Solve for x
    x = 19,288,064,465.30/187,075.02
  6. Step 6: Final answer
    x = 103,103.37

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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.