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Finding the Fourth Proportional to 83,505.75, 124,944.75 and 58,594.41

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Solution

The fourth proportional to 83,505.75, 124,944.75 and 58,594.41 is: 87,671.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,505.75 : 124,944.75 = 58,594.41 : x
  2. Step 2: Convert to fraction form
    83,505.75/124,944.75 = 58,594.41/x
  3. Step 3: Cross multiply
    83,505.75x = 124,944.75 × 58,594.41
  4. Step 4: Simplify right side
    83,505.75x = 7,321,063,908.85
  5. Step 5: Solve for x
    x = 7,321,063,908.85/83,505.75
  6. Step 6: Final answer
    x = 87,671.37

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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.