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Finding the Fourth Proportional to 104,801.94, 144,663.12 and 62,359.56

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Solution

The fourth proportional to 104,801.94, 144,663.12 and 62,359.56 is: 86,077.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,801.94 : 144,663.12 = 62,359.56 : x
  2. Step 2: Convert to fraction form
    104,801.94/144,663.12 = 62,359.56/x
  3. Step 3: Cross multiply
    104,801.94x = 144,663.12 × 62,359.56
  4. Step 4: Simplify right side
    104,801.94x = 9,021,128,511.43
  5. Step 5: Solve for x
    x = 9,021,128,511.43/104,801.94
  6. Step 6: Final answer
    x = 86,077.88

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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.