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Finding the Fourth Proportional to 168,682.34, 252,898.51 and 102,106.71

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Solution

The fourth proportional to 168,682.34, 252,898.51 and 102,106.71 is: 153,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,682.34 : 252,898.51 = 102,106.71 : x
  2. Step 2: Convert to fraction form
    168,682.34/252,898.51 = 102,106.71/x
  3. Step 3: Cross multiply
    168,682.34x = 252,898.51 × 102,106.71
  4. Step 4: Simplify right side
    168,682.34x = 25,822,634,820.00
  5. Step 5: Solve for x
    x = 25,822,634,820.00/168,682.34
  6. Step 6: Final answer
    x = 153,084.40

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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.