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Finding the Fourth Proportional to 160,013.88, 220,811.00 and 88,380.05

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Solution

The fourth proportional to 160,013.88, 220,811.00 and 88,380.05 is: 121,959.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,013.88 : 220,811.00 = 88,380.05 : x
  2. Step 2: Convert to fraction form
    160,013.88/220,811.00 = 88,380.05/x
  3. Step 3: Cross multiply
    160,013.88x = 220,811.00 × 88,380.05
  4. Step 4: Simplify right side
    160,013.88x = 19,515,285,674.59
  5. Step 5: Solve for x
    x = 19,515,285,674.59/160,013.88
  6. Step 6: Final answer
    x = 121,959.96

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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.