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Finding the Fourth Proportional to 302,688.44, 454,049.94 and 92,340.92

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Solution

The fourth proportional to 302,688.44, 454,049.94 and 92,340.92 is: 138,516.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,688.44 : 454,049.94 = 92,340.92 : x
  2. Step 2: Convert to fraction form
    302,688.44/454,049.94 = 92,340.92/x
  3. Step 3: Cross multiply
    302,688.44x = 454,049.94 × 92,340.92
  4. Step 4: Simplify right side
    302,688.44x = 41,927,389,185.54
  5. Step 5: Solve for x
    x = 41,927,389,185.54/302,688.44
  6. Step 6: Final answer
    x = 138,516.65

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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.