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Finding the Fourth Proportional to 76,594.51, 114,844.91 and 31,601.92

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Solution

The fourth proportional to 76,594.51, 114,844.91 and 31,601.92 is: 47,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,594.51 : 114,844.91 = 31,601.92 : x
  2. Step 2: Convert to fraction form
    76,594.51/114,844.91 = 31,601.92/x
  3. Step 3: Cross multiply
    76,594.51x = 114,844.91 × 31,601.92
  4. Step 4: Simplify right side
    76,594.51x = 3,629,320,018.08
  5. Step 5: Solve for x
    x = 3,629,320,018.08/76,594.51
  6. Step 6: Final answer
    x = 47,383.55

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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.