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Finding the Fourth Proportional to 172,827.60, 259,241.40 and 107,930.40

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Solution

The fourth proportional to 172,827.60, 259,241.40 and 107,930.40 is: 161,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,827.60 : 259,241.40 = 107,930.40 : x
  2. Step 2: Convert to fraction form
    172,827.60/259,241.40 = 107,930.40/x
  3. Step 3: Cross multiply
    172,827.60x = 259,241.40 × 107,930.40
  4. Step 4: Simplify right side
    172,827.60x = 27,980,027,998.56
  5. Step 5: Solve for x
    x = 27,980,027,998.56/172,827.60
  6. Step 6: Final answer
    x = 161,895.60

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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.