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Finding the Fourth Proportional to 92,197.43, 138,270.83 and 58,412.73

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Solution

The fourth proportional to 92,197.43, 138,270.83 and 58,412.73 is: 87,603.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,197.43 : 138,270.83 = 58,412.73 : x
  2. Step 2: Convert to fraction form
    92,197.43/138,270.83 = 58,412.73/x
  3. Step 3: Cross multiply
    92,197.43x = 138,270.83 × 58,412.73
  4. Step 4: Simplify right side
    92,197.43x = 8,076,776,367.60
  5. Step 5: Solve for x
    x = 8,076,776,367.60/92,197.43
  6. Step 6: Final answer
    x = 87,603.06

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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.