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Finding the Fourth Proportional to 101,773.86, 140,450.17 and 56,450.36

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Solution

The fourth proportional to 101,773.86, 140,450.17 and 56,450.36 is: 77,902.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,773.86 : 140,450.17 = 56,450.36 : x
  2. Step 2: Convert to fraction form
    101,773.86/140,450.17 = 56,450.36/x
  3. Step 3: Cross multiply
    101,773.86x = 140,450.17 × 56,450.36
  4. Step 4: Simplify right side
    101,773.86x = 7,928,462,658.56
  5. Step 5: Solve for x
    x = 7,928,462,658.56/101,773.86
  6. Step 6: Final answer
    x = 77,902.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.