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Finding the Fourth Proportional to 133,326.87, 183,993.96 and 79,601.86

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Solution

The fourth proportional to 133,326.87, 183,993.96 and 79,601.86 is: 109,852.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,326.87 : 183,993.96 = 79,601.86 : x
  2. Step 2: Convert to fraction form
    133,326.87/183,993.96 = 79,601.86/x
  3. Step 3: Cross multiply
    133,326.87x = 183,993.96 × 79,601.86
  4. Step 4: Simplify right side
    133,326.87x = 14,646,261,046.76
  5. Step 5: Solve for x
    x = 14,646,261,046.76/133,326.87
  6. Step 6: Final answer
    x = 109,852.29

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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.