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Finding the Fourth Proportional to 323,961.60, 486,090.08 and 166,300.86

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Solution

The fourth proportional to 323,961.60, 486,090.08 and 166,300.86 is: 249,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,961.60 : 486,090.08 = 166,300.86 : x
  2. Step 2: Convert to fraction form
    323,961.60/486,090.08 = 166,300.86/x
  3. Step 3: Cross multiply
    323,961.60x = 486,090.08 × 166,300.86
  4. Step 4: Simplify right side
    323,961.60x = 80,837,198,341.47
  5. Step 5: Solve for x
    x = 80,837,198,341.47/323,961.60
  6. Step 6: Final answer
    x = 249,527.10

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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.