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Finding the Fourth Proportional to 93,213.88, 139,560.30 and 50,365.82

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Solution

The fourth proportional to 93,213.88, 139,560.30 and 50,365.82 is: 75,407.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,213.88 : 139,560.30 = 50,365.82 : x
  2. Step 2: Convert to fraction form
    93,213.88/139,560.30 = 50,365.82/x
  3. Step 3: Cross multiply
    93,213.88x = 139,560.30 × 50,365.82
  4. Step 4: Simplify right side
    93,213.88x = 7,029,068,948.95
  5. Step 5: Solve for x
    x = 7,029,068,948.95/93,213.88
  6. Step 6: Final answer
    x = 75,407.96

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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.