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Finding the Fourth Proportional to 104,470.45, 144,181.97 and 61,447.89

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Solution

The fourth proportional to 104,470.45, 144,181.97 and 61,447.89 is: 84,805.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,470.45 : 144,181.97 = 61,447.89 : x
  2. Step 2: Convert to fraction form
    104,470.45/144,181.97 = 61,447.89/x
  3. Step 3: Cross multiply
    104,470.45x = 144,181.97 × 61,447.89
  4. Step 4: Simplify right side
    104,470.45x = 8,859,676,804.39
  5. Step 5: Solve for x
    x = 8,859,676,804.39/104,470.45
  6. Step 6: Final answer
    x = 84,805.58

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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.