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Finding the Fourth Proportional to 133,278.94, 199,953.42 and 47,898.41

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Solution

The fourth proportional to 133,278.94, 199,953.42 and 47,898.41 is: 71,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,278.94 : 199,953.42 = 47,898.41 : x
  2. Step 2: Convert to fraction form
    133,278.94/199,953.42 = 47,898.41/x
  3. Step 3: Cross multiply
    133,278.94x = 199,953.42 × 47,898.41
  4. Step 4: Simplify right side
    133,278.94x = 9,577,451,677.05
  5. Step 5: Solve for x
    x = 9,577,451,677.05/133,278.94
  6. Step 6: Final answer
    x = 71,860.21

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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.