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Finding the Fourth Proportional to 80,241.64, 110,731.76 and 44,430.73

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Solution

The fourth proportional to 80,241.64, 110,731.76 and 44,430.73 is: 61,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,241.64 : 110,731.76 = 44,430.73 : x
  2. Step 2: Convert to fraction form
    80,241.64/110,731.76 = 44,430.73/x
  3. Step 3: Cross multiply
    80,241.64x = 110,731.76 × 44,430.73
  4. Step 4: Simplify right side
    80,241.64x = 4,919,892,598.62
  5. Step 5: Solve for x
    x = 4,919,892,598.62/80,241.64
  6. Step 6: Final answer
    x = 61,313.46

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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.