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Finding the Fourth Proportional to 93,978.78, 140,933.01 and 37,799.89

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Solution

The fourth proportional to 93,978.78, 140,933.01 and 37,799.89 is: 56,685.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,978.78 : 140,933.01 = 37,799.89 : x
  2. Step 2: Convert to fraction form
    93,978.78/140,933.01 = 37,799.89/x
  3. Step 3: Cross multiply
    93,978.78x = 140,933.01 × 37,799.89
  4. Step 4: Simplify right side
    93,978.78x = 5,327,252,275.37
  5. Step 5: Solve for x
    x = 5,327,252,275.37/93,978.78
  6. Step 6: Final answer
    x = 56,685.69

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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.