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Finding the Fourth Proportional to 180,236.88, 269,961.54 and 91,337.76

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Solution

The fourth proportional to 180,236.88, 269,961.54 and 91,337.76 is: 136,807.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,236.88 : 269,961.54 = 91,337.76 : x
  2. Step 2: Convert to fraction form
    180,236.88/269,961.54 = 91,337.76/x
  3. Step 3: Cross multiply
    180,236.88x = 269,961.54 × 91,337.76
  4. Step 4: Simplify right side
    180,236.88x = 24,657,682,349.75
  5. Step 5: Solve for x
    x = 24,657,682,349.75/180,236.88
  6. Step 6: Final answer
    x = 136,807.09

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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.