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Finding the Fourth Proportional to 80,043.48, 119,969.79 and 37,291.56

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Solution

The fourth proportional to 80,043.48, 119,969.79 and 37,291.56 is: 55,892.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,043.48 : 119,969.79 = 37,291.56 : x
  2. Step 2: Convert to fraction form
    80,043.48/119,969.79 = 37,291.56/x
  3. Step 3: Cross multiply
    80,043.48x = 119,969.79 × 37,291.56
  4. Step 4: Simplify right side
    80,043.48x = 4,473,860,621.97
  5. Step 5: Solve for x
    x = 4,473,860,621.97/80,043.48
  6. Step 6: Final answer
    x = 55,892.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.