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Finding the Fourth Proportional to 100,091.95, 150,179.38 and 43,903.06

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Solution

The fourth proportional to 100,091.95, 150,179.38 and 43,903.06 is: 65,872.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,091.95 : 150,179.38 = 43,903.06 : x
  2. Step 2: Convert to fraction form
    100,091.95/150,179.38 = 43,903.06/x
  3. Step 3: Cross multiply
    100,091.95x = 150,179.38 × 43,903.06
  4. Step 4: Simplify right side
    100,091.95x = 6,593,333,580.01
  5. Step 5: Solve for x
    x = 6,593,333,580.01/100,091.95
  6. Step 6: Final answer
    x = 65,872.77

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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.