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Finding the Fourth Proportional to 80,369.38, 110,909.58 and 44,558.47

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Solution

The fourth proportional to 80,369.38, 110,909.58 and 44,558.47 is: 61,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,369.38 : 110,909.58 = 44,558.47 : x
  2. Step 2: Convert to fraction form
    80,369.38/110,909.58 = 44,558.47/x
  3. Step 3: Cross multiply
    80,369.38x = 110,909.58 × 44,558.47
  4. Step 4: Simplify right side
    80,369.38x = 4,941,961,193.14
  5. Step 5: Solve for x
    x = 4,941,961,193.14/80,369.38
  6. Step 6: Final answer
    x = 61,490.60

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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.