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Finding the Fourth Proportional to 153,891.45, 230,825.65 and 54,052.52

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Solution

The fourth proportional to 153,891.45, 230,825.65 and 54,052.52 is: 81,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,891.45 : 230,825.65 = 54,052.52 : x
  2. Step 2: Convert to fraction form
    153,891.45/230,825.65 = 54,052.52/x
  3. Step 3: Cross multiply
    153,891.45x = 230,825.65 × 54,052.52
  4. Step 4: Simplify right side
    153,891.45x = 12,476,708,063.14
  5. Step 5: Solve for x
    x = 12,476,708,063.14/153,891.45
  6. Step 6: Final answer
    x = 81,074.73

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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.