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Finding the Fourth Proportional to 200,898.45, 300,855.60 and 95,594.40

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Solution

The fourth proportional to 200,898.45, 300,855.60 and 95,594.40 is: 143,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,898.45 : 300,855.60 = 95,594.40 : x
  2. Step 2: Convert to fraction form
    200,898.45/300,855.60 = 95,594.40/x
  3. Step 3: Cross multiply
    200,898.45x = 300,855.60 × 95,594.40
  4. Step 4: Simplify right side
    200,898.45x = 28,760,110,568.64
  5. Step 5: Solve for x
    x = 28,760,110,568.64/200,898.45
  6. Step 6: Final answer
    x = 143,157.45

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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.