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Finding the Fourth Proportional to 80,152.36, 110,613.54 and 49,955.56

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Solution

The fourth proportional to 80,152.36, 110,613.54 and 49,955.56 is: 68,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,152.36 : 110,613.54 = 49,955.56 : x
  2. Step 2: Convert to fraction form
    80,152.36/110,613.54 = 49,955.56/x
  3. Step 3: Cross multiply
    80,152.36x = 110,613.54 × 49,955.56
  4. Step 4: Simplify right side
    80,152.36x = 5,525,761,334.28
  5. Step 5: Solve for x
    x = 5,525,761,334.28/80,152.36
  6. Step 6: Final answer
    x = 68,940.72

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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.