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Finding the Fourth Proportional to 96,914.80, 145,381.80 and 33,725.20

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Solution

The fourth proportional to 96,914.80, 145,381.80 and 33,725.20 is: 50,591.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,914.80 : 145,381.80 = 33,725.20 : x
  2. Step 2: Convert to fraction form
    96,914.80/145,381.80 = 33,725.20/x
  3. Step 3: Cross multiply
    96,914.80x = 145,381.80 × 33,725.20
  4. Step 4: Simplify right side
    96,914.80x = 4,903,030,281.36
  5. Step 5: Solve for x
    x = 4,903,030,281.36/96,914.80
  6. Step 6: Final answer
    x = 50,591.14

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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.