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Finding the Fourth Proportional to 164,855.88, 227,512.35 and 93,235.86

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Solution

The fourth proportional to 164,855.88, 227,512.35 and 93,235.86 is: 128,671.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,855.88 : 227,512.35 = 93,235.86 : x
  2. Step 2: Convert to fraction form
    164,855.88/227,512.35 = 93,235.86/x
  3. Step 3: Cross multiply
    164,855.88x = 227,512.35 × 93,235.86
  4. Step 4: Simplify right side
    164,855.88x = 21,212,309,612.87
  5. Step 5: Solve for x
    x = 21,212,309,612.87/164,855.88
  6. Step 6: Final answer
    x = 128,671.84

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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.