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Finding the Fourth Proportional to 174,890.20, 262,400.10 and 168,410.20

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Solution

The fourth proportional to 174,890.20, 262,400.10 and 168,410.20 is: 252,677.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,890.20 : 262,400.10 = 168,410.20 : x
  2. Step 2: Convert to fraction form
    174,890.20/262,400.10 = 168,410.20/x
  3. Step 3: Cross multiply
    174,890.20x = 262,400.10 × 168,410.20
  4. Step 4: Simplify right side
    174,890.20x = 44,190,853,321.02
  5. Step 5: Solve for x
    x = 44,190,853,321.02/174,890.20
  6. Step 6: Final answer
    x = 252,677.70

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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.