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Finding the Fourth Proportional to 93,378.96, 140,041.11 and 37,200.40

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Solution

The fourth proportional to 93,378.96, 140,041.11 and 37,200.40 is: 55,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,378.96 : 140,041.11 = 37,200.40 : x
  2. Step 2: Convert to fraction form
    93,378.96/140,041.11 = 37,200.40/x
  3. Step 3: Cross multiply
    93,378.96x = 140,041.11 × 37,200.40
  4. Step 4: Simplify right side
    93,378.96x = 5,209,585,308.44
  5. Step 5: Solve for x
    x = 5,209,585,308.44/93,378.96
  6. Step 6: Final answer
    x = 55,789.71

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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.