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Finding the Fourth Proportional to 169,300.80, 253,951.20 and 166,190.40

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Solution

The fourth proportional to 169,300.80, 253,951.20 and 166,190.40 is: 249,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,300.80 : 253,951.20 = 166,190.40 : x
  2. Step 2: Convert to fraction form
    169,300.80/253,951.20 = 166,190.40/x
  3. Step 3: Cross multiply
    169,300.80x = 253,951.20 × 166,190.40
  4. Step 4: Simplify right side
    169,300.80x = 42,204,251,508.48
  5. Step 5: Solve for x
    x = 42,204,251,508.48/169,300.80
  6. Step 6: Final answer
    x = 249,285.60

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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.