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Finding the Fourth Proportional to 143,253.88, 214,880.60 and 38,072.86

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Solution

The fourth proportional to 143,253.88, 214,880.60 and 38,072.86 is: 57,109.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,253.88 : 214,880.60 = 38,072.86 : x
  2. Step 2: Convert to fraction form
    143,253.88/214,880.60 = 38,072.86/x
  3. Step 3: Cross multiply
    143,253.88x = 214,880.60 × 38,072.86
  4. Step 4: Simplify right side
    143,253.88x = 8,181,118,558.50
  5. Step 5: Solve for x
    x = 8,181,118,558.50/143,253.88
  6. Step 6: Final answer
    x = 57,109.23

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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.