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Finding the Fourth Proportional to 154,636.94, 231,889.80 and 54,822.26

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Solution

The fourth proportional to 154,636.94, 231,889.80 and 54,822.26 is: 82,210.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,636.94 : 231,889.80 = 54,822.26 : x
  2. Step 2: Convert to fraction form
    154,636.94/231,889.80 = 54,822.26/x
  3. Step 3: Cross multiply
    154,636.94x = 231,889.80 × 54,822.26
  4. Step 4: Simplify right side
    154,636.94x = 12,712,722,906.95
  5. Step 5: Solve for x
    x = 12,712,722,906.95/154,636.94
  6. Step 6: Final answer
    x = 82,210.13

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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.