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Finding the Fourth Proportional to 133,003.32, 183,568.32 and 79,291.86

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Solution

The fourth proportional to 133,003.32, 183,568.32 and 79,291.86 is: 109,436.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,003.32 : 183,568.32 = 79,291.86 : x
  2. Step 2: Convert to fraction form
    133,003.32/183,568.32 = 79,291.86/x
  3. Step 3: Cross multiply
    133,003.32x = 183,568.32 × 79,291.86
  4. Step 4: Simplify right side
    133,003.32x = 14,555,473,529.88
  5. Step 5: Solve for x
    x = 14,555,473,529.88/133,003.32
  6. Step 6: Final answer
    x = 109,436.92

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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.