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Finding the Fourth Proportional to 117,537.60, 176,407.20 and 47,467.20

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Solution

The fourth proportional to 117,537.60, 176,407.20 and 47,467.20 is: 71,241.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,537.60 : 176,407.20 = 47,467.20 : x
  2. Step 2: Convert to fraction form
    117,537.60/176,407.20 = 47,467.20/x
  3. Step 3: Cross multiply
    117,537.60x = 176,407.20 × 47,467.20
  4. Step 4: Simplify right side
    117,537.60x = 8,373,555,843.84
  5. Step 5: Solve for x
    x = 8,373,555,843.84/117,537.60
  6. Step 6: Final answer
    x = 71,241.51

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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.