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Finding the Fourth Proportional to 80,330.40, 110,855.96 and 44,522.72

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Solution

The fourth proportional to 80,330.40, 110,855.96 and 44,522.72 is: 61,441.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,330.40 : 110,855.96 = 44,522.72 : x
  2. Step 2: Convert to fraction form
    80,330.40/110,855.96 = 44,522.72/x
  3. Step 3: Cross multiply
    80,330.40x = 110,855.96 × 44,522.72
  4. Step 4: Simplify right side
    80,330.40x = 4,935,609,255.86
  5. Step 5: Solve for x
    x = 4,935,609,255.86/80,330.40
  6. Step 6: Final answer
    x = 61,441.36

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1.5x scale

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.