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Finding the Fourth Proportional to 173,893.42, 239,969.30 and 94,405.42

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Solution

The fourth proportional to 173,893.42, 239,969.30 and 94,405.42 is: 130,277.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,893.42 : 239,969.30 = 94,405.42 : x
  2. Step 2: Convert to fraction form
    173,893.42/239,969.30 = 94,405.42/x
  3. Step 3: Cross multiply
    173,893.42x = 239,969.30 × 94,405.42
  4. Step 4: Simplify right side
    173,893.42x = 22,654,402,553.61
  5. Step 5: Solve for x
    x = 22,654,402,553.61/173,893.42
  6. Step 6: Final answer
    x = 130,277.51

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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.