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Finding the Fourth Proportional to 65,337.42, 90,193.24 and 44,145.40

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Solution

The fourth proportional to 65,337.42, 90,193.24 and 44,145.40 is: 60,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,337.42 : 90,193.24 = 44,145.40 : x
  2. Step 2: Convert to fraction form
    65,337.42/90,193.24 = 44,145.40/x
  3. Step 3: Cross multiply
    65,337.42x = 90,193.24 × 44,145.40
  4. Step 4: Simplify right side
    65,337.42x = 3,981,616,657.10
  5. Step 5: Solve for x
    x = 3,981,616,657.10/65,337.42
  6. Step 6: Final answer
    x = 60,939.30

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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.