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Finding the Fourth Proportional to 103,624.99, 155,486.69 and 44,477.57

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Solution

The fourth proportional to 103,624.99, 155,486.69 and 44,477.57 is: 66,737.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,624.99 : 155,486.69 = 44,477.57 : x
  2. Step 2: Convert to fraction form
    103,624.99/155,486.69 = 44,477.57/x
  3. Step 3: Cross multiply
    103,624.99x = 155,486.69 × 44,477.57
  4. Step 4: Simplify right side
    103,624.99x = 6,915,670,138.54
  5. Step 5: Solve for x
    x = 6,915,670,138.54/103,624.99
  6. Step 6: Final answer
    x = 66,737.47

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1.5x scale

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.