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Finding the Fourth Proportional to 302,606.70, 453,910.05 and 92,255.10

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Solution

The fourth proportional to 302,606.70, 453,910.05 and 92,255.10 is: 138,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,606.70 : 453,910.05 = 92,255.10 : x
  2. Step 2: Convert to fraction form
    302,606.70/453,910.05 = 92,255.10/x
  3. Step 3: Cross multiply
    302,606.70x = 453,910.05 × 92,255.10
  4. Step 4: Simplify right side
    302,606.70x = 41,875,517,053.76
  5. Step 5: Solve for x
    x = 41,875,517,053.76/302,606.70
  6. Step 6: Final answer
    x = 138,382.65

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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.