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Finding the Fourth Proportional to 164,857.88, 227,515.12 and 93,237.86

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Solution

The fourth proportional to 164,857.88, 227,515.12 and 93,237.86 is: 128,674.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,857.88 : 227,515.12 = 93,237.86 : x
  2. Step 2: Convert to fraction form
    164,857.88/227,515.12 = 93,237.86/x
  3. Step 3: Cross multiply
    164,857.88x = 227,515.12 × 93,237.86
  4. Step 4: Simplify right side
    164,857.88x = 21,213,022,906.44
  5. Step 5: Solve for x
    x = 21,213,022,906.44/164,857.88
  6. Step 6: Final answer
    x = 128,674.61

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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.