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Finding the Fourth Proportional to 109,370.25, 150,930.95 and 59,069.25

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Solution

The fourth proportional to 109,370.25, 150,930.95 and 59,069.25 is: 81,515.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,370.25 : 150,930.95 = 59,069.25 : x
  2. Step 2: Convert to fraction form
    109,370.25/150,930.95 = 59,069.25/x
  3. Step 3: Cross multiply
    109,370.25x = 150,930.95 × 59,069.25
  4. Step 4: Simplify right side
    109,370.25x = 8,915,377,722.94
  5. Step 5: Solve for x
    x = 8,915,377,722.94/109,370.25
  6. Step 6: Final answer
    x = 81,515.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.