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Finding the Fourth Proportional to 106,447.44, 146,890.76 and 61,093.50

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Solution

The fourth proportional to 106,447.44, 146,890.76 and 61,093.50 is: 84,305.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,447.44 : 146,890.76 = 61,093.50 : x
  2. Step 2: Convert to fraction form
    106,447.44/146,890.76 = 61,093.50/x
  3. Step 3: Cross multiply
    106,447.44x = 146,890.76 × 61,093.50
  4. Step 4: Simplify right side
    106,447.44x = 8,974,070,646.06
  5. Step 5: Solve for x
    x = 8,974,070,646.06/106,447.44
  6. Step 6: Final answer
    x = 84,305.18

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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.