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Finding the Fourth Proportional to 160,826, 221,940.06 and 93,770.96

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Solution

The fourth proportional to 160,826, 221,940.06 and 93,770.96 is: 129,404.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,826 : 221,940.06 = 93,770.96 : x
  2. Step 2: Convert to fraction form
    160,826/221,940.06 = 93,770.96/x
  3. Step 3: Cross multiply
    160,826x = 221,940.06 × 93,770.96
  4. Step 4: Simplify right side
    160,826x = 20,811,532,488.66
  5. Step 5: Solve for x
    x = 20,811,532,488.66/160,826
  6. Step 6: Final answer
    x = 129,404.03

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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.