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Finding the Fourth Proportional to 83,755.44, 125,539.56 and 36,315.72

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Solution

The fourth proportional to 83,755.44, 125,539.56 and 36,315.72 is: 54,433.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,755.44 : 125,539.56 = 36,315.72 : x
  2. Step 2: Convert to fraction form
    83,755.44/125,539.56 = 36,315.72/x
  3. Step 3: Cross multiply
    83,755.44x = 125,539.56 × 36,315.72
  4. Step 4: Simplify right side
    83,755.44x = 4,559,059,509.88
  5. Step 5: Solve for x
    x = 4,559,059,509.88/83,755.44
  6. Step 6: Final answer
    x = 54,433.00

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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.