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Finding the Fourth Proportional to 302,270.60, 453,422.12 and 91,892.56

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Solution

The fourth proportional to 302,270.60, 453,422.12 and 91,892.56 is: 137,843.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,270.60 : 453,422.12 = 91,892.56 : x
  2. Step 2: Convert to fraction form
    302,270.60/453,422.12 = 91,892.56/x
  3. Step 3: Cross multiply
    302,270.60x = 453,422.12 × 91,892.56
  4. Step 4: Simplify right side
    302,270.60x = 41,666,119,367.43
  5. Step 5: Solve for x
    x = 41,666,119,367.43/302,270.60
  6. Step 6: Final answer
    x = 137,843.77

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