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Finding the Fourth Proportional to 302,993.92, 454,509.51 and 125,514.82

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Solution

The fourth proportional to 302,993.92, 454,509.51 and 125,514.82 is: 188,279.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,993.92 : 454,509.51 = 125,514.82 : x
  2. Step 2: Convert to fraction form
    302,993.92/454,509.51 = 125,514.82/x
  3. Step 3: Cross multiply
    302,993.92x = 454,509.51 × 125,514.82
  4. Step 4: Simplify right side
    302,993.92x = 57,047,679,335.94
  5. Step 5: Solve for x
    x = 57,047,679,335.94/302,993.92
  6. Step 6: Final answer
    x = 188,279.95

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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.