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Finding the Fourth Proportional to 302,662.60, 453,945.30 and 92,251.60

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Solution

The fourth proportional to 302,662.60, 453,945.30 and 92,251.60 is: 138,362.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,662.60 : 453,945.30 = 92,251.60 : x
  2. Step 2: Convert to fraction form
    302,662.60/453,945.30 = 92,251.60/x
  3. Step 3: Cross multiply
    302,662.60x = 453,945.30 × 92,251.60
  4. Step 4: Simplify right side
    302,662.60x = 41,877,180,237.48
  5. Step 5: Solve for x
    x = 41,877,180,237.48/302,662.60
  6. Step 6: Final answer
    x = 138,362.59

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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.