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Finding the Fourth Proportional to 77,323.41, 116,003.54 and 27,407.87

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Solution

The fourth proportional to 77,323.41, 116,003.54 and 27,407.87 is: 41,118.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,323.41 : 116,003.54 = 27,407.87 : x
  2. Step 2: Convert to fraction form
    77,323.41/116,003.54 = 27,407.87/x
  3. Step 3: Cross multiply
    77,323.41x = 116,003.54 × 27,407.87
  4. Step 4: Simplify right side
    77,323.41x = 3,179,409,867.38
  5. Step 5: Solve for x
    x = 3,179,409,867.38/77,323.41
  6. Step 6: Final answer
    x = 41,118.33

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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.