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Finding the Fourth Proportional to 71,194.84, 98,240.22 and 39,359.32

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Solution

The fourth proportional to 71,194.84, 98,240.22 and 39,359.32 is: 54,311.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,194.84 : 98,240.22 = 39,359.32 : x
  2. Step 2: Convert to fraction form
    71,194.84/98,240.22 = 39,359.32/x
  3. Step 3: Cross multiply
    71,194.84x = 98,240.22 × 39,359.32
  4. Step 4: Simplify right side
    71,194.84x = 3,866,668,255.85
  5. Step 5: Solve for x
    x = 3,866,668,255.85/71,194.84
  6. Step 6: Final answer
    x = 54,311.07

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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.