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Finding the Fourth Proportional to 168,659.70, 252,827.55 and 97,509.30

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Solution

The fourth proportional to 168,659.70, 252,827.55 and 97,509.30 is: 146,170.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,659.70 : 252,827.55 = 97,509.30 : x
  2. Step 2: Convert to fraction form
    168,659.70/252,827.55 = 97,509.30/x
  3. Step 3: Cross multiply
    168,659.70x = 252,827.55 × 97,509.30
  4. Step 4: Simplify right side
    168,659.70x = 24,653,037,421.22
  5. Step 5: Solve for x
    x = 24,653,037,421.22/168,659.70
  6. Step 6: Final answer
    x = 146,170.29

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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.