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Finding the Fourth Proportional to 92,903.48, 139,410.62 and 33,743.80

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Solution

The fourth proportional to 92,903.48, 139,410.62 and 33,743.80 is: 50,635.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,903.48 : 139,410.62 = 33,743.80 : x
  2. Step 2: Convert to fraction form
    92,903.48/139,410.62 = 33,743.80/x
  3. Step 3: Cross multiply
    92,903.48x = 139,410.62 × 33,743.80
  4. Step 4: Simplify right side
    92,903.48x = 4,704,244,079.16
  5. Step 5: Solve for x
    x = 4,704,244,079.16/92,903.48
  6. Step 6: Final answer
    x = 50,635.82

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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.