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Finding the Fourth Proportional to 191,171.32, 286,738.44 and 58,052.73

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Solution

The fourth proportional to 191,171.32, 286,738.44 and 58,052.73 is: 87,073.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,171.32 : 286,738.44 = 58,052.73 : x
  2. Step 2: Convert to fraction form
    191,171.32/286,738.44 = 58,052.73/x
  3. Step 3: Cross multiply
    191,171.32x = 286,738.44 × 58,052.73
  4. Step 4: Simplify right side
    191,171.32x = 16,645,949,237.94
  5. Step 5: Solve for x
    x = 16,645,949,237.94/191,171.32
  6. Step 6: Final answer
    x = 87,073.46

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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.