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Finding the Fourth Proportional to 200,520.16, 300,754.32 and 95,405.92

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Solution

The fourth proportional to 200,520.16, 300,754.32 and 95,405.92 is: 143,096.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,520.16 : 300,754.32 = 95,405.92 : x
  2. Step 2: Convert to fraction form
    200,520.16/300,754.32 = 95,405.92/x
  3. Step 3: Cross multiply
    200,520.16x = 300,754.32 × 95,405.92
  4. Step 4: Simplify right side
    200,520.16x = 28,693,742,593.57
  5. Step 5: Solve for x
    x = 28,693,742,593.57/200,520.16
  6. Step 6: Final answer
    x = 143,096.55

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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.