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Finding the Fourth Proportional to 188,953.16, 283,498.79 and 87,797.93

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Solution

The fourth proportional to 188,953.16, 283,498.79 and 87,797.93 is: 131,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,953.16 : 283,498.79 = 87,797.93 : x
  2. Step 2: Convert to fraction form
    188,953.16/283,498.79 = 87,797.93/x
  3. Step 3: Cross multiply
    188,953.16x = 283,498.79 × 87,797.93
  4. Step 4: Simplify right side
    188,953.16x = 24,890,605,063.02
  5. Step 5: Solve for x
    x = 24,890,605,063.02/188,953.16
  6. Step 6: Final answer
    x = 131,728.97

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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.