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Finding the Fourth Proportional to 89,912.40, 134,760.60 and 37,294.80

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Solution

The fourth proportional to 89,912.40, 134,760.60 and 37,294.80 is: 55,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,912.40 : 134,760.60 = 37,294.80 : x
  2. Step 2: Convert to fraction form
    89,912.40/134,760.60 = 37,294.80/x
  3. Step 3: Cross multiply
    89,912.40x = 134,760.60 × 37,294.80
  4. Step 4: Simplify right side
    89,912.40x = 5,025,869,624.88
  5. Step 5: Solve for x
    x = 5,025,869,624.88/89,912.40
  6. Step 6: Final answer
    x = 55,897.40

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1.5x scale

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.