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Finding the Fourth Proportional to 83,435.67, 124,839.45 and 58,524.39

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Solution

The fourth proportional to 83,435.67, 124,839.45 and 58,524.39 is: 87,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,435.67 : 124,839.45 = 58,524.39 : x
  2. Step 2: Convert to fraction form
    83,435.67/124,839.45 = 58,524.39/x
  3. Step 3: Cross multiply
    83,435.67x = 124,839.45 × 58,524.39
  4. Step 4: Simplify right side
    83,435.67x = 7,306,152,659.19
  5. Step 5: Solve for x
    x = 7,306,152,659.19/83,435.67
  6. Step 6: Final answer
    x = 87,566.30

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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.