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Finding the Fourth Proportional to 133,214.60, 200,040.60 and 89,037.20

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Solution

The fourth proportional to 133,214.60, 200,040.60 and 89,037.20 is: 133,701.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,214.60 : 200,040.60 = 89,037.20 : x
  2. Step 2: Convert to fraction form
    133,214.60/200,040.60 = 89,037.20/x
  3. Step 3: Cross multiply
    133,214.60x = 200,040.60 × 89,037.20
  4. Step 4: Simplify right side
    133,214.60x = 17,811,054,910.32
  5. Step 5: Solve for x
    x = 17,811,054,910.32/133,214.60
  6. Step 6: Final answer
    x = 133,701.97

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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.