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Finding the Fourth Proportional to 180,393.21, 270,546.08 and 75,154.77

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Solution

The fourth proportional to 180,393.21, 270,546.08 and 75,154.77 is: 112,713.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,393.21 : 270,546.08 = 75,154.77 : x
  2. Step 2: Convert to fraction form
    180,393.21/270,546.08 = 75,154.77/x
  3. Step 3: Cross multiply
    180,393.21x = 270,546.08 × 75,154.77
  4. Step 4: Simplify right side
    180,393.21x = 20,332,828,041.03
  5. Step 5: Solve for x
    x = 20,332,828,041.03/180,393.21
  6. Step 6: Final answer
    x = 112,713.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.