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Finding the Fourth Proportional to 169,891.61, 254,855.87 and 56,025.45

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Solution

The fourth proportional to 169,891.61, 254,855.87 and 56,025.45 is: 84,044.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,891.61 : 254,855.87 = 56,025.45 : x
  2. Step 2: Convert to fraction form
    169,891.61/254,855.87 = 56,025.45/x
  3. Step 3: Cross multiply
    169,891.61x = 254,855.87 × 56,025.45
  4. Step 4: Simplify right side
    169,891.61x = 14,278,414,801.89
  5. Step 5: Solve for x
    x = 14,278,414,801.89/169,891.61
  6. Step 6: Final answer
    x = 84,044.26

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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.