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Finding the Fourth Proportional to 168,110.40, 252,165.60 and 156,300.60

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Solution

The fourth proportional to 168,110.40, 252,165.60 and 156,300.60 is: 234,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,110.40 : 252,165.60 = 156,300.60 : x
  2. Step 2: Convert to fraction form
    168,110.40/252,165.60 = 156,300.60/x
  3. Step 3: Cross multiply
    168,110.40x = 252,165.60 × 156,300.60
  4. Step 4: Simplify right side
    168,110.40x = 39,413,634,579.36
  5. Step 5: Solve for x
    x = 39,413,634,579.36/168,110.40
  6. Step 6: Final answer
    x = 234,450.90

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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.