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Finding the Fourth Proportional to 93,378.47, 140,040.36 and 37,199.90

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Solution

The fourth proportional to 93,378.47, 140,040.36 and 37,199.90 is: 55,788.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,378.47 : 140,040.36 = 37,199.90 : x
  2. Step 2: Convert to fraction form
    93,378.47/140,040.36 = 37,199.90/x
  3. Step 3: Cross multiply
    93,378.47x = 140,040.36 × 37,199.90
  4. Step 4: Simplify right side
    93,378.47x = 5,209,487,387.96
  5. Step 5: Solve for x
    x = 5,209,487,387.96/93,378.47
  6. Step 6: Final answer
    x = 55,788.96

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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.