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Finding the Fourth Proportional to 133,947.60, 200,532.60 and 130,059.60

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Solution

The fourth proportional to 133,947.60, 200,532.60 and 130,059.60 is: 194,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,947.60 : 200,532.60 = 130,059.60 : x
  2. Step 2: Convert to fraction form
    133,947.60/200,532.60 = 130,059.60/x
  3. Step 3: Cross multiply
    133,947.60x = 200,532.60 × 130,059.60
  4. Step 4: Simplify right side
    133,947.60x = 26,081,189,742.96
  5. Step 5: Solve for x
    x = 26,081,189,742.96/133,947.60
  6. Step 6: Final answer
    x = 194,711.89

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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.