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Finding the Fourth Proportional to 104,709.94, 144,488.77 and 59,373.43

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Solution

The fourth proportional to 104,709.94, 144,488.77 and 59,373.43 is: 81,929.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,709.94 : 144,488.77 = 59,373.43 : x
  2. Step 2: Convert to fraction form
    104,709.94/144,488.77 = 59,373.43/x
  3. Step 3: Cross multiply
    104,709.94x = 144,488.77 × 59,373.43
  4. Step 4: Simplify right side
    104,709.94x = 8,578,793,361.73
  5. Step 5: Solve for x
    x = 8,578,793,361.73/104,709.94
  6. Step 6: Final answer
    x = 81,929.12

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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.