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Finding the Fourth Proportional to 119,893.32, 165,462.12 and 66,183.12

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Solution

The fourth proportional to 119,893.32, 165,462.12 and 66,183.12 is: 91,337.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,893.32 : 165,462.12 = 66,183.12 : x
  2. Step 2: Convert to fraction form
    119,893.32/165,462.12 = 66,183.12/x
  3. Step 3: Cross multiply
    119,893.32x = 165,462.12 × 66,183.12
  4. Step 4: Simplify right side
    119,893.32x = 10,950,799,343.41
  5. Step 5: Solve for x
    x = 10,950,799,343.41/119,893.32
  6. Step 6: Final answer
    x = 91,337.86

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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.