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Finding the Fourth Proportional to 200,360.73, 300,688.11 and 161,388.39

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Solution

The fourth proportional to 200,360.73, 300,688.11 and 161,388.39 is: 242,201.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,360.73 : 300,688.11 = 161,388.39 : x
  2. Step 2: Convert to fraction form
    200,360.73/300,688.11 = 161,388.39/x
  3. Step 3: Cross multiply
    200,360.73x = 300,688.11 × 161,388.39
  4. Step 4: Simplify right side
    200,360.73x = 48,527,569,965.04
  5. Step 5: Solve for x
    x = 48,527,569,965.04/200,360.73
  6. Step 6: Final answer
    x = 242,201.00

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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.