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Finding the Fourth Proportional to 132,568.50, 182,914.21 and 75,194.12

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Solution

The fourth proportional to 132,568.50, 182,914.21 and 75,194.12 is: 103,750.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,568.50 : 182,914.21 = 75,194.12 : x
  2. Step 2: Convert to fraction form
    132,568.50/182,914.21 = 75,194.12/x
  3. Step 3: Cross multiply
    132,568.50x = 182,914.21 × 75,194.12
  4. Step 4: Simplify right side
    132,568.50x = 13,754,073,056.45
  5. Step 5: Solve for x
    x = 13,754,073,056.45/132,568.50
  6. Step 6: Final answer
    x = 103,750.69

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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.