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Finding the Fourth Proportional to 114,158.73, 171,263.61 and 55,044.12

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Solution

The fourth proportional to 114,158.73, 171,263.61 and 55,044.12 is: 82,578.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,158.73 : 171,263.61 = 55,044.12 : x
  2. Step 2: Convert to fraction form
    114,158.73/171,263.61 = 55,044.12/x
  3. Step 3: Cross multiply
    114,158.73x = 171,263.61 × 55,044.12
  4. Step 4: Simplify right side
    114,158.73x = 9,427,054,700.47
  5. Step 5: Solve for x
    x = 9,427,054,700.47/114,158.73
  6. Step 6: Final answer
    x = 82,578.48

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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.