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Finding the Fourth Proportional to 81,179.79, 112,018.39 and 44,876.33

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Solution

The fourth proportional to 81,179.79, 112,018.39 and 44,876.33 is: 61,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,179.79 : 112,018.39 = 44,876.33 : x
  2. Step 2: Convert to fraction form
    81,179.79/112,018.39 = 44,876.33/x
  3. Step 3: Cross multiply
    81,179.79x = 112,018.39 × 44,876.33
  4. Step 4: Simplify right side
    81,179.79x = 5,026,974,235.92
  5. Step 5: Solve for x
    x = 5,026,974,235.92/81,179.79
  6. Step 6: Final answer
    x = 61,923.96

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1.5x scale

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.