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Finding the Fourth Proportional to 104,277, 143,901.41 and 56,529.12

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Solution

The fourth proportional to 104,277, 143,901.41 and 56,529.12 is: 78,009.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,277 : 143,901.41 = 56,529.12 : x
  2. Step 2: Convert to fraction form
    104,277/143,901.41 = 56,529.12/x
  3. Step 3: Cross multiply
    104,277x = 143,901.41 × 56,529.12
  4. Step 4: Simplify right side
    104,277x = 8,134,619,791.41
  5. Step 5: Solve for x
    x = 8,134,619,791.41/104,277
  6. Step 6: Final answer
    x = 78,009.72

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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.