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Finding the Fourth Proportional to 65,337.30, 90,193.05 and 44,145.27

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Solution

The fourth proportional to 65,337.30, 90,193.05 and 44,145.27 is: 60,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,337.30 : 90,193.05 = 44,145.27 : x
  2. Step 2: Convert to fraction form
    65,337.30/90,193.05 = 44,145.27/x
  3. Step 3: Cross multiply
    65,337.30x = 90,193.05 × 44,145.27
  4. Step 4: Simplify right side
    65,337.30x = 3,981,596,544.37
  5. Step 5: Solve for x
    x = 3,981,596,544.37/65,337.30
  6. Step 6: Final answer
    x = 60,939.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.