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Finding the Fourth Proportional to 221,607.30, 332,022.15 and 181,949.70

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Solution

The fourth proportional to 221,607.30, 332,022.15 and 181,949.70 is: 272,605.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,607.30 : 332,022.15 = 181,949.70 : x
  2. Step 2: Convert to fraction form
    221,607.30/332,022.15 = 181,949.70/x
  3. Step 3: Cross multiply
    221,607.30x = 332,022.15 × 181,949.70
  4. Step 4: Simplify right side
    221,607.30x = 60,411,330,585.86
  5. Step 5: Solve for x
    x = 60,411,330,585.86/221,607.30
  6. Step 6: Final answer
    x = 272,605.33

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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.