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Finding the Fourth Proportional to 168,016.40, 252,024.60 and 101,661.20

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Solution

The fourth proportional to 168,016.40, 252,024.60 and 101,661.20 is: 152,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,016.40 : 252,024.60 = 101,661.20 : x
  2. Step 2: Convert to fraction form
    168,016.40/252,024.60 = 101,661.20/x
  3. Step 3: Cross multiply
    168,016.40x = 252,024.60 × 101,661.20
  4. Step 4: Simplify right side
    168,016.40x = 25,621,123,265.52
  5. Step 5: Solve for x
    x = 25,621,123,265.52/168,016.40
  6. Step 6: Final answer
    x = 152,491.80

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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.