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Finding the Fourth Proportional to 100,824.99, 151,331.04 and 50,940.13

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Solution

The fourth proportional to 100,824.99, 151,331.04 and 50,940.13 is: 76,457.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,824.99 : 151,331.04 = 50,940.13 : x
  2. Step 2: Convert to fraction form
    100,824.99/151,331.04 = 50,940.13/x
  3. Step 3: Cross multiply
    100,824.99x = 151,331.04 × 50,940.13
  4. Step 4: Simplify right side
    100,824.99x = 7,708,822,093.98
  5. Step 5: Solve for x
    x = 7,708,822,093.98/100,824.99
  6. Step 6: Final answer
    x = 76,457.45

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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.