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Finding the Fourth Proportional to 180,235.88, 269,960.04 and 91,336.76

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Solution

The fourth proportional to 180,235.88, 269,960.04 and 91,336.76 is: 136,805.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,235.88 : 269,960.04 = 91,336.76 : x
  2. Step 2: Convert to fraction form
    180,235.88/269,960.04 = 91,336.76/x
  3. Step 3: Cross multiply
    180,235.88x = 269,960.04 × 91,336.76
  4. Step 4: Simplify right side
    180,235.88x = 24,657,275,383.07
  5. Step 5: Solve for x
    x = 24,657,275,383.07/180,235.88
  6. Step 6: Final answer
    x = 136,805.59

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1.5x scale

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.