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Finding the Fourth Proportional to 92,286.83, 137,924.47 and 67,379.33

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Solution

The fourth proportional to 92,286.83, 137,924.47 and 67,379.33 is: 100,699.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,286.83 : 137,924.47 = 67,379.33 : x
  2. Step 2: Convert to fraction form
    92,286.83/137,924.47 = 67,379.33/x
  3. Step 3: Cross multiply
    92,286.83x = 137,924.47 × 67,379.33
  4. Step 4: Simplify right side
    92,286.83x = 9,293,258,379.21
  5. Step 5: Solve for x
    x = 9,293,258,379.21/92,286.83
  6. Step 6: Final answer
    x = 100,699.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.