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Finding the Fourth Proportional to 303,291.94, 454,921.51 and 92,930.49

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Solution

The fourth proportional to 303,291.94, 454,921.51 and 92,930.49 is: 139,390.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,291.94 : 454,921.51 = 92,930.49 : x
  2. Step 2: Convert to fraction form
    303,291.94/454,921.51 = 92,930.49/x
  3. Step 3: Cross multiply
    303,291.94x = 454,921.51 × 92,930.49
  4. Step 4: Simplify right side
    303,291.94x = 42,276,078,835.84
  5. Step 5: Solve for x
    x = 42,276,078,835.84/303,291.94
  6. Step 6: Final answer
    x = 139,390.71

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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.