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Finding the Fourth Proportional to 89,650.80, 134,427.60 and 37,000.80

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Solution

The fourth proportional to 89,650.80, 134,427.60 and 37,000.80 is: 55,481.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,650.80 : 134,427.60 = 37,000.80 : x
  2. Step 2: Convert to fraction form
    89,650.80/134,427.60 = 37,000.80/x
  3. Step 3: Cross multiply
    89,650.80x = 134,427.60 × 37,000.80
  4. Step 4: Simplify right side
    89,650.80x = 4,973,928,742.08
  5. Step 5: Solve for x
    x = 4,973,928,742.08/89,650.80
  6. Step 6: Final answer
    x = 55,481.14

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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.