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Finding the Fourth Proportional to 83,930.76, 125,750.88 and 58,923.36

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Solution

The fourth proportional to 83,930.76, 125,750.88 and 58,923.36 is: 88,283.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,930.76 : 125,750.88 = 58,923.36 : x
  2. Step 2: Convert to fraction form
    83,930.76/125,750.88 = 58,923.36/x
  3. Step 3: Cross multiply
    83,930.76x = 125,750.88 × 58,923.36
  4. Step 4: Simplify right side
    83,930.76x = 7,409,664,372.56
  5. Step 5: Solve for x
    x = 7,409,664,372.56/83,930.76
  6. Step 6: Final answer
    x = 88,283.06

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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.