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Finding the Fourth Proportional to 245,969.92, 368,954.98 and 189,891.92

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Solution

The fourth proportional to 245,969.92, 368,954.98 and 189,891.92 is: 284,837.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,969.92 : 368,954.98 = 189,891.92 : x
  2. Step 2: Convert to fraction form
    245,969.92/368,954.98 = 189,891.92/x
  3. Step 3: Cross multiply
    245,969.92x = 368,954.98 × 189,891.92
  4. Step 4: Simplify right side
    245,969.92x = 70,061,569,545.76
  5. Step 5: Solve for x
    x = 70,061,569,545.76/245,969.92
  6. Step 6: Final answer
    x = 284,837.96

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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.