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Finding the Fourth Proportional to 316,923.37, 475,571.93 and 117,383.92

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Solution

The fourth proportional to 316,923.37, 475,571.93 and 117,383.92 is: 176,145.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,923.37 : 475,571.93 = 117,383.92 : x
  2. Step 2: Convert to fraction form
    316,923.37/475,571.93 = 117,383.92/x
  3. Step 3: Cross multiply
    316,923.37x = 475,571.93 × 117,383.92
  4. Step 4: Simplify right side
    316,923.37x = 55,824,494,420.59
  5. Step 5: Solve for x
    x = 55,824,494,420.59/316,923.37
  6. Step 6: Final answer
    x = 176,145.09

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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.