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Finding the Fourth Proportional to 168,188.01, 252,316.62 and 68,347.98

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Solution

The fourth proportional to 168,188.01, 252,316.62 and 68,347.98 is: 102,536.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,188.01 : 252,316.62 = 68,347.98 : x
  2. Step 2: Convert to fraction form
    168,188.01/252,316.62 = 68,347.98/x
  3. Step 3: Cross multiply
    168,188.01x = 252,316.62 × 68,347.98
  4. Step 4: Simplify right side
    168,188.01x = 17,245,331,297.43
  5. Step 5: Solve for x
    x = 17,245,331,297.43/168,188.01
  6. Step 6: Final answer
    x = 102,536.03

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1.5x scale

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.