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Finding the Fourth Proportional to 302,571.60, 453,901.32 and 113,015.76

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Solution

The fourth proportional to 302,571.60, 453,901.32 and 113,015.76 is: 169,540.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,571.60 : 453,901.32 = 113,015.76 : x
  2. Step 2: Convert to fraction form
    302,571.60/453,901.32 = 113,015.76/x
  3. Step 3: Cross multiply
    302,571.60x = 453,901.32 × 113,015.76
  4. Step 4: Simplify right side
    302,571.60x = 51,298,002,644.80
  5. Step 5: Solve for x
    x = 51,298,002,644.80/302,571.60
  6. Step 6: Final answer
    x = 169,540.04

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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.