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Finding the Fourth Proportional to 103,805.33, 155,707.99 and 24,919.55

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Solution

The fourth proportional to 103,805.33, 155,707.99 and 24,919.55 is: 37,379.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,805.33 : 155,707.99 = 24,919.55 : x
  2. Step 2: Convert to fraction form
    103,805.33/155,707.99 = 24,919.55/x
  3. Step 3: Cross multiply
    103,805.33x = 155,707.99 × 24,919.55
  4. Step 4: Simplify right side
    103,805.33x = 3,880,173,042.20
  5. Step 5: Solve for x
    x = 3,880,173,042.20/103,805.33
  6. Step 6: Final answer
    x = 37,379.33

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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.