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Finding the Fourth Proportional to 202,089.80, 303,134.70 and 166,660.40

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Solution

The fourth proportional to 202,089.80, 303,134.70 and 166,660.40 is: 249,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,089.80 : 303,134.70 = 166,660.40 : x
  2. Step 2: Convert to fraction form
    202,089.80/303,134.70 = 166,660.40/x
  3. Step 3: Cross multiply
    202,089.80x = 303,134.70 × 166,660.40
  4. Step 4: Simplify right side
    202,089.80x = 50,520,550,355.88
  5. Step 5: Solve for x
    x = 50,520,550,355.88/202,089.80
  6. Step 6: Final answer
    x = 249,990.60

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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.