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Finding the Fourth Proportional to 200,374.68, 300,354.66 and 95,113.56

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Solution

The fourth proportional to 200,374.68, 300,354.66 and 95,113.56 is: 142,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,374.68 : 300,354.66 = 95,113.56 : x
  2. Step 2: Convert to fraction form
    200,374.68/300,354.66 = 95,113.56/x
  3. Step 3: Cross multiply
    200,374.68x = 300,354.66 × 95,113.56
  4. Step 4: Simplify right side
    200,374.68x = 28,567,800,975.19
  5. Step 5: Solve for x
    x = 28,567,800,975.19/200,374.68
  6. Step 6: Final answer
    x = 142,571.91

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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.