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Finding the Fourth Proportional to 169,436.70, 254,155.05 and 166,812.30

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Solution

The fourth proportional to 169,436.70, 254,155.05 and 166,812.30 is: 250,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,436.70 : 254,155.05 = 166,812.30 : x
  2. Step 2: Convert to fraction form
    169,436.70/254,155.05 = 166,812.30/x
  3. Step 3: Cross multiply
    169,436.70x = 254,155.05 × 166,812.30
  4. Step 4: Simplify right side
    169,436.70x = 42,396,188,447.12
  5. Step 5: Solve for x
    x = 42,396,188,447.12/169,436.70
  6. Step 6: Final answer
    x = 250,218.45

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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.