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Finding the Fourth Proportional to 119,512.36, 164,936.71 and 68,529.85

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Solution

The fourth proportional to 119,512.36, 164,936.71 and 68,529.85 is: 94,576.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,512.36 : 164,936.71 = 68,529.85 : x
  2. Step 2: Convert to fraction form
    119,512.36/164,936.71 = 68,529.85/x
  3. Step 3: Cross multiply
    119,512.36x = 164,936.71 × 68,529.85
  4. Step 4: Simplify right side
    119,512.36x = 11,303,087,171.11
  5. Step 5: Solve for x
    x = 11,303,087,171.11/119,512.36
  6. Step 6: Final answer
    x = 94,576.72

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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.