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Finding the Fourth Proportional to 169,872.20, 254,808.30 and 146,544.20

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Solution

The fourth proportional to 169,872.20, 254,808.30 and 146,544.20 is: 219,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,872.20 : 254,808.30 = 146,544.20 : x
  2. Step 2: Convert to fraction form
    169,872.20/254,808.30 = 146,544.20/x
  3. Step 3: Cross multiply
    169,872.20x = 254,808.30 × 146,544.20
  4. Step 4: Simplify right side
    169,872.20x = 37,340,678,476.86
  5. Step 5: Solve for x
    x = 37,340,678,476.86/169,872.20
  6. Step 6: Final answer
    x = 219,816.30

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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.