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Finding the Fourth Proportional to 169,612.89, 255,638.48 and 146,202.98

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Solution

The fourth proportional to 169,612.89, 255,638.48 and 146,202.98 is: 220,355.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,612.89 : 255,638.48 = 146,202.98 : x
  2. Step 2: Convert to fraction form
    169,612.89/255,638.48 = 146,202.98/x
  3. Step 3: Cross multiply
    169,612.89x = 255,638.48 × 146,202.98
  4. Step 4: Simplify right side
    169,612.89x = 37,375,107,236.68
  5. Step 5: Solve for x
    x = 37,375,107,236.68/169,612.89
  6. Step 6: Final answer
    x = 220,355.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.