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Finding the Fourth Proportional to 117,446.76, 176,051.88 and 67,511.88

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Solution

The fourth proportional to 117,446.76, 176,051.88 and 67,511.88 is: 101,199.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,446.76 : 176,051.88 = 67,511.88 : x
  2. Step 2: Convert to fraction form
    117,446.76/176,051.88 = 67,511.88/x
  3. Step 3: Cross multiply
    117,446.76x = 176,051.88 × 67,511.88
  4. Step 4: Simplify right side
    117,446.76x = 11,885,593,396.33
  5. Step 5: Solve for x
    x = 11,885,593,396.33/117,446.76
  6. Step 6: Final answer
    x = 101,199.84

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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.