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Finding the Fourth Proportional to 117,654, 176,284.44 and 73,170.96

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Solution

The fourth proportional to 117,654, 176,284.44 and 73,170.96 is: 109,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,654 : 176,284.44 = 73,170.96 : x
  2. Step 2: Convert to fraction form
    117,654/176,284.44 = 73,170.96/x
  3. Step 3: Cross multiply
    117,654x = 176,284.44 × 73,170.96
  4. Step 4: Simplify right side
    117,654x = 12,898,901,707.86
  5. Step 5: Solve for x
    x = 12,898,901,707.86/117,654
  6. Step 6: Final answer
    x = 109,634.20

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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.