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Finding the Fourth Proportional to 123,329.35, 184,919.11 and 48,359.67

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Solution

The fourth proportional to 123,329.35, 184,919.11 and 48,359.67 is: 72,510.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,329.35 : 184,919.11 = 48,359.67 : x
  2. Step 2: Convert to fraction form
    123,329.35/184,919.11 = 48,359.67/x
  3. Step 3: Cross multiply
    123,329.35x = 184,919.11 × 48,359.67
  4. Step 4: Simplify right side
    123,329.35x = 8,942,627,136.29
  5. Step 5: Solve for x
    x = 8,942,627,136.29/123,329.35
  6. Step 6: Final answer
    x = 72,510.13

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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.