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Finding the Fourth Proportional to 117,601.85, 176,173.11 and 93,958.58

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Solution

The fourth proportional to 117,601.85, 176,173.11 and 93,958.58 is: 140,754.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,601.85 : 176,173.11 = 93,958.58 : x
  2. Step 2: Convert to fraction form
    117,601.85/176,173.11 = 93,958.58/x
  3. Step 3: Cross multiply
    117,601.85x = 176,173.11 × 93,958.58
  4. Step 4: Simplify right side
    117,601.85x = 16,552,974,368.92
  5. Step 5: Solve for x
    x = 16,552,974,368.92/117,601.85
  6. Step 6: Final answer
    x = 140,754.38

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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.