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Finding the Fourth Proportional to 101,924.40, 140,652.99 and 56,600.94

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Solution

The fourth proportional to 101,924.40, 140,652.99 and 56,600.94 is: 78,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,924.40 : 140,652.99 = 56,600.94 : x
  2. Step 2: Convert to fraction form
    101,924.40/140,652.99 = 56,600.94/x
  3. Step 3: Cross multiply
    101,924.40x = 140,652.99 × 56,600.94
  4. Step 4: Simplify right side
    101,924.40x = 7,961,091,447.81
  5. Step 5: Solve for x
    x = 7,961,091,447.81/101,924.40
  6. Step 6: Final answer
    x = 78,107.81

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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.