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Finding the Fourth Proportional to 58,906.60, 88,359.90 and 54,629.80

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Solution

The fourth proportional to 58,906.60, 88,359.90 and 54,629.80 is: 81,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,906.60 : 88,359.90 = 54,629.80 : x
  2. Step 2: Convert to fraction form
    58,906.60/88,359.90 = 54,629.80/x
  3. Step 3: Cross multiply
    58,906.60x = 88,359.90 × 54,629.80
  4. Step 4: Simplify right side
    58,906.60x = 4,827,083,665.02
  5. Step 5: Solve for x
    x = 4,827,083,665.02/58,906.60
  6. Step 6: Final answer
    x = 81,944.70

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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.