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Finding the Fourth Proportional to 316,944.93, 437,383.15 and 171,754.74

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Solution

The fourth proportional to 316,944.93, 437,383.15 and 171,754.74 is: 237,021.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,944.93 : 437,383.15 = 171,754.74 : x
  2. Step 2: Convert to fraction form
    316,944.93/437,383.15 = 171,754.74/x
  3. Step 3: Cross multiply
    316,944.93x = 437,383.15 × 171,754.74
  4. Step 4: Simplify right side
    316,944.93x = 75,122,629,208.63
  5. Step 5: Solve for x
    x = 75,122,629,208.63/316,944.93
  6. Step 6: Final answer
    x = 237,021.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.