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Finding the Fourth Proportional to 168,683.64, 252,900.45 and 102,108.02

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Solution

The fourth proportional to 168,683.64, 252,900.45 and 102,108.02 is: 153,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,683.64 : 252,900.45 = 102,108.02 : x
  2. Step 2: Convert to fraction form
    168,683.64/252,900.45 = 102,108.02/x
  3. Step 3: Cross multiply
    168,683.64x = 252,900.45 × 102,108.02
  4. Step 4: Simplify right side
    168,683.64x = 25,823,162,942.11
  5. Step 5: Solve for x
    x = 25,823,162,942.11/168,683.64
  6. Step 6: Final answer
    x = 153,086.35

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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.