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Finding the Fourth Proportional to 71,195.24, 98,246.24 and 40,981.50

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Solution

The fourth proportional to 71,195.24, 98,246.24 and 40,981.50 is: 56,552.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,195.24 : 98,246.24 = 40,981.50 : x
  2. Step 2: Convert to fraction form
    71,195.24/98,246.24 = 40,981.50/x
  3. Step 3: Cross multiply
    71,195.24x = 98,246.24 × 40,981.50
  4. Step 4: Simplify right side
    71,195.24x = 4,026,278,284.56
  5. Step 5: Solve for x
    x = 4,026,278,284.56/71,195.24
  6. Step 6: Final answer
    x = 56,552.63

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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.