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Finding the Fourth Proportional to 119,360.30, 164,676.86 and 67,671.87

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Solution

The fourth proportional to 119,360.30, 164,676.86 and 67,671.87 is: 93,364.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,360.30 : 164,676.86 = 67,671.87 : x
  2. Step 2: Convert to fraction form
    119,360.30/164,676.86 = 67,671.87/x
  3. Step 3: Cross multiply
    119,360.30x = 164,676.86 × 67,671.87
  4. Step 4: Simplify right side
    119,360.30x = 11,143,990,359.80
  5. Step 5: Solve for x
    x = 11,143,990,359.80/119,360.30
  6. Step 6: Final answer
    x = 93,364.30

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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.