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Finding the Fourth Proportional to 200,605.20, 300,881.72 and 95,490.96

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Solution

The fourth proportional to 200,605.20, 300,881.72 and 95,490.96 is: 143,224.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,605.20 : 300,881.72 = 95,490.96 : x
  2. Step 2: Convert to fraction form
    200,605.20/300,881.72 = 95,490.96/x
  3. Step 3: Cross multiply
    200,605.20x = 300,881.72 × 95,490.96
  4. Step 4: Simplify right side
    200,605.20x = 28,731,484,289.25
  5. Step 5: Solve for x
    x = 28,731,484,289.25/200,605.20
  6. Step 6: Final answer
    x = 143,224.03

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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.