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Finding the Fourth Proportional to 302,382.80, 453,257.76 and 112,766.90

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Solution

The fourth proportional to 302,382.80, 453,257.76 and 112,766.90 is: 169,032.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,382.80 : 453,257.76 = 112,766.90 : x
  2. Step 2: Convert to fraction form
    302,382.80/453,257.76 = 112,766.90/x
  3. Step 3: Cross multiply
    302,382.80x = 453,257.76 × 112,766.90
  4. Step 4: Simplify right side
    302,382.80x = 51,112,472,496.14
  5. Step 5: Solve for x
    x = 51,112,472,496.14/302,382.80
  6. Step 6: Final answer
    x = 169,032.34

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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.