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Finding the Fourth Proportional to 103,622.99, 155,483.69 and 44,475.57

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Solution

The fourth proportional to 103,622.99, 155,483.69 and 44,475.57 is: 66,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,622.99 : 155,483.69 = 44,475.57 : x
  2. Step 2: Convert to fraction form
    103,622.99/155,483.69 = 44,475.57/x
  3. Step 3: Cross multiply
    103,622.99x = 155,483.69 × 44,475.57
  4. Step 4: Simplify right side
    103,622.99x = 6,915,225,738.45
  5. Step 5: Solve for x
    x = 6,915,225,738.45/103,622.99
  6. Step 6: Final answer
    x = 66,734.47

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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.