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Finding the Fourth Proportional to 104,687.24, 144,464.24 and 56,940.52

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Solution

The fourth proportional to 104,687.24, 144,464.24 and 56,940.52 is: 78,575.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,687.24 : 144,464.24 = 56,940.52 : x
  2. Step 2: Convert to fraction form
    104,687.24/144,464.24 = 56,940.52/x
  3. Step 3: Cross multiply
    104,687.24x = 144,464.24 × 56,940.52
  4. Step 4: Simplify right side
    104,687.24x = 8,225,868,947.00
  5. Step 5: Solve for x
    x = 8,225,868,947.00/104,687.24
  6. Step 6: Final answer
    x = 78,575.66

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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.