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Finding the Fourth Proportional to 64,135.03, 95,732.87 and 56,559.95

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Solution

The fourth proportional to 64,135.03, 95,732.87 and 56,559.95 is: 84,425.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,135.03 : 95,732.87 = 56,559.95 : x
  2. Step 2: Convert to fraction form
    64,135.03/95,732.87 = 56,559.95/x
  3. Step 3: Cross multiply
    64,135.03x = 95,732.87 × 56,559.95
  4. Step 4: Simplify right side
    64,135.03x = 5,414,646,340.56
  5. Step 5: Solve for x
    x = 5,414,646,340.56/64,135.03
  6. Step 6: Final answer
    x = 84,425.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.