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Finding the Fourth Proportional to 114,399.86, 171,497.70 and 58,208.54

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Solution

The fourth proportional to 114,399.86, 171,497.70 and 58,208.54 is: 87,260.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,399.86 : 171,497.70 = 58,208.54 : x
  2. Step 2: Convert to fraction form
    114,399.86/171,497.70 = 58,208.54/x
  3. Step 3: Cross multiply
    114,399.86x = 171,497.70 × 58,208.54
  4. Step 4: Simplify right side
    114,399.86x = 9,982,630,730.36
  5. Step 5: Solve for x
    x = 9,982,630,730.36/114,399.86
  6. Step 6: Final answer
    x = 87,260.86

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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.