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Finding the Fourth Proportional to 168,563.20, 253,008.60 and 131,526.40

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Solution

The fourth proportional to 168,563.20, 253,008.60 and 131,526.40 is: 197,417.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,563.20 : 253,008.60 = 131,526.40 : x
  2. Step 2: Convert to fraction form
    168,563.20/253,008.60 = 131,526.40/x
  3. Step 3: Cross multiply
    168,563.20x = 253,008.60 × 131,526.40
  4. Step 4: Simplify right side
    168,563.20x = 33,277,310,327.04
  5. Step 5: Solve for x
    x = 33,277,310,327.04/168,563.20
  6. Step 6: Final answer
    x = 197,417.41

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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.