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Finding the Fourth Proportional to 168,010.60, 252,015.90 and 157,642.60

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Solution

The fourth proportional to 168,010.60, 252,015.90 and 157,642.60 is: 236,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,010.60 : 252,015.90 = 157,642.60 : x
  2. Step 2: Convert to fraction form
    168,010.60/252,015.90 = 157,642.60/x
  3. Step 3: Cross multiply
    168,010.60x = 252,015.90 × 157,642.60
  4. Step 4: Simplify right side
    168,010.60x = 39,728,441,717.34
  5. Step 5: Solve for x
    x = 39,728,441,717.34/168,010.60
  6. Step 6: Final answer
    x = 236,463.90

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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.