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Finding the Fourth Proportional to 168,901.58, 252,847.56 and 102,139.76

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Solution

The fourth proportional to 168,901.58, 252,847.56 and 102,139.76 is: 152,904.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,901.58 : 252,847.56 = 102,139.76 : x
  2. Step 2: Convert to fraction form
    168,901.58/252,847.56 = 102,139.76/x
  3. Step 3: Cross multiply
    168,901.58x = 252,847.56 × 102,139.76
  4. Step 4: Simplify right side
    168,901.58x = 25,825,789,094.99
  5. Step 5: Solve for x
    x = 25,825,789,094.99/168,901.58
  6. Step 6: Final answer
    x = 152,904.37

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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.