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Finding the Fourth Proportional to 104,759.69, 144,562.01 and 58,815.95

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Solution

The fourth proportional to 104,759.69, 144,562.01 and 58,815.95 is: 81,162.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,759.69 : 144,562.01 = 58,815.95 : x
  2. Step 2: Convert to fraction form
    104,759.69/144,562.01 = 58,815.95/x
  3. Step 3: Cross multiply
    104,759.69x = 144,562.01 × 58,815.95
  4. Step 4: Simplify right side
    104,759.69x = 8,502,550,935.17
  5. Step 5: Solve for x
    x = 8,502,550,935.17/104,759.69
  6. Step 6: Final answer
    x = 81,162.43

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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.