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Finding the Fourth Proportional to 168,568.56, 253,048.32 and 98,498.16

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Solution

The fourth proportional to 168,568.56, 253,048.32 and 98,498.16 is: 147,861.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,568.56 : 253,048.32 = 98,498.16 : x
  2. Step 2: Convert to fraction form
    168,568.56/253,048.32 = 98,498.16/x
  3. Step 3: Cross multiply
    168,568.56x = 253,048.32 × 98,498.16
  4. Step 4: Simplify right side
    168,568.56x = 24,924,793,911.09
  5. Step 5: Solve for x
    x = 24,924,793,911.09/168,568.56
  6. Step 6: Final answer
    x = 147,861.46

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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.