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Finding the Fourth Proportional to 154,644.78, 231,573.38 and 101,894.34

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Solution

The fourth proportional to 154,644.78, 231,573.38 and 101,894.34 is: 152,582.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,644.78 : 231,573.38 = 101,894.34 : x
  2. Step 2: Convert to fraction form
    154,644.78/231,573.38 = 101,894.34/x
  3. Step 3: Cross multiply
    154,644.78x = 231,573.38 × 101,894.34
  4. Step 4: Simplify right side
    154,644.78x = 23,596,016,716.67
  5. Step 5: Solve for x
    x = 23,596,016,716.67/154,644.78
  6. Step 6: Final answer
    x = 152,582.04

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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.