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Finding the Fourth Proportional to 113,455.88, 169,924.62 and 54,333.08

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Solution

The fourth proportional to 113,455.88, 169,924.62 and 54,333.08 is: 81,375.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,455.88 : 169,924.62 = 54,333.08 : x
  2. Step 2: Convert to fraction form
    113,455.88/169,924.62 = 54,333.08/x
  3. Step 3: Cross multiply
    113,455.88x = 169,924.62 × 54,333.08
  4. Step 4: Simplify right side
    113,455.88x = 9,232,527,972.43
  5. Step 5: Solve for x
    x = 9,232,527,972.43/113,455.88
  6. Step 6: Final answer
    x = 81,375.49

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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.