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Finding the Fourth Proportional to 295,658.10, 443,487.15 and 108,645.30

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Solution

The fourth proportional to 295,658.10, 443,487.15 and 108,645.30 is: 162,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,658.10 : 443,487.15 = 108,645.30 : x
  2. Step 2: Convert to fraction form
    295,658.10/443,487.15 = 108,645.30/x
  3. Step 3: Cross multiply
    295,658.10x = 443,487.15 × 108,645.30
  4. Step 4: Simplify right side
    295,658.10x = 48,182,794,457.90
  5. Step 5: Solve for x
    x = 48,182,794,457.90/295,658.10
  6. Step 6: Final answer
    x = 162,967.95

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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.