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Finding the Fourth Proportional to 221,971.80, 333,000.90 and 95,611.80

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Solution

The fourth proportional to 221,971.80, 333,000.90 and 95,611.80 is: 143,436.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,971.80 : 333,000.90 = 95,611.80 : x
  2. Step 2: Convert to fraction form
    221,971.80/333,000.90 = 95,611.80/x
  3. Step 3: Cross multiply
    221,971.80x = 333,000.90 × 95,611.80
  4. Step 4: Simplify right side
    221,971.80x = 31,838,815,450.62
  5. Step 5: Solve for x
    x = 31,838,815,450.62/221,971.80
  6. Step 6: Final answer
    x = 143,436.31

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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.