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Finding the Fourth Proportional to 93,777.38, 140,970.89 and 75,260.33

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Solution

The fourth proportional to 93,777.38, 140,970.89 and 75,260.33 is: 113,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,777.38 : 140,970.89 = 75,260.33 : x
  2. Step 2: Convert to fraction form
    93,777.38/140,970.89 = 75,260.33/x
  3. Step 3: Cross multiply
    93,777.38x = 140,970.89 × 75,260.33
  4. Step 4: Simplify right side
    93,777.38x = 10,609,515,701.79
  5. Step 5: Solve for x
    x = 10,609,515,701.79/93,777.38
  6. Step 6: Final answer
    x = 113,135.13

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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.