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Finding the Fourth Proportional to 169,660.60, 254,490.90 and 154,108.60

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Solution

The fourth proportional to 169,660.60, 254,490.90 and 154,108.60 is: 231,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,660.60 : 254,490.90 = 154,108.60 : x
  2. Step 2: Convert to fraction form
    169,660.60/254,490.90 = 154,108.60/x
  3. Step 3: Cross multiply
    169,660.60x = 254,490.90 × 154,108.60
  4. Step 4: Simplify right side
    169,660.60x = 39,219,236,311.74
  5. Step 5: Solve for x
    x = 39,219,236,311.74/169,660.60
  6. Step 6: Final answer
    x = 231,162.90

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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.