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Finding the Fourth Proportional to 117,662.45, 176,422.46 and 47,459.75

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Solution

The fourth proportional to 117,662.45, 176,422.46 and 47,459.75 is: 71,160.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,662.45 : 176,422.46 = 47,459.75 : x
  2. Step 2: Convert to fraction form
    117,662.45/176,422.46 = 47,459.75/x
  3. Step 3: Cross multiply
    117,662.45x = 176,422.46 × 47,459.75
  4. Step 4: Simplify right side
    117,662.45x = 8,372,964,726.57
  5. Step 5: Solve for x
    x = 8,372,964,726.57/117,662.45
  6. Step 6: Final answer
    x = 71,160.89

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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.