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Finding the Fourth Proportional to 183,972.64, 275,905.66 and 71,627.82

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Solution

The fourth proportional to 183,972.64, 275,905.66 and 71,627.82 is: 107,420.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,972.64 : 275,905.66 = 71,627.82 : x
  2. Step 2: Convert to fraction form
    183,972.64/275,905.66 = 71,627.82/x
  3. Step 3: Cross multiply
    183,972.64x = 275,905.66 × 71,627.82
  4. Step 4: Simplify right side
    183,972.64x = 19,762,520,951.46
  5. Step 5: Solve for x
    x = 19,762,520,951.46/183,972.64
  6. Step 6: Final answer
    x = 107,420.98

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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.