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Finding the Fourth Proportional to 221,632.60, 332,477.61 and 101,660.62

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Solution

The fourth proportional to 221,632.60, 332,477.61 and 101,660.62 is: 152,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,632.60 : 332,477.61 = 101,660.62 : x
  2. Step 2: Convert to fraction form
    221,632.60/332,477.61 = 101,660.62/x
  3. Step 3: Cross multiply
    221,632.60x = 332,477.61 × 101,660.62
  4. Step 4: Simplify right side
    221,632.60x = 33,799,879,968.72
  5. Step 5: Solve for x
    x = 33,799,879,968.72/221,632.60
  6. Step 6: Final answer
    x = 152,504.10

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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.