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Finding the Fourth Proportional to 183,728, 275,630.96 and 59,078.72

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Solution

The fourth proportional to 183,728, 275,630.96 and 59,078.72 is: 88,630.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,728 : 275,630.96 = 59,078.72 : x
  2. Step 2: Convert to fraction form
    183,728/275,630.96 = 59,078.72/x
  3. Step 3: Cross multiply
    183,728x = 275,630.96 × 59,078.72
  4. Step 4: Simplify right side
    183,728x = 16,283,924,309.17
  5. Step 5: Solve for x
    x = 16,283,924,309.17/183,728
  6. Step 6: Final answer
    x = 88,630.61

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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.