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Finding the Fourth Proportional to 221,802.50, 332,799.09 and 72,088.70

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Solution

The fourth proportional to 221,802.50, 332,799.09 and 72,088.70 is: 108,164.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,802.50 : 332,799.09 = 72,088.70 : x
  2. Step 2: Convert to fraction form
    221,802.50/332,799.09 = 72,088.70/x
  3. Step 3: Cross multiply
    221,802.50x = 332,799.09 × 72,088.70
  4. Step 4: Simplify right side
    221,802.50x = 23,991,053,759.28
  5. Step 5: Solve for x
    x = 23,991,053,759.28/221,802.50
  6. Step 6: Final answer
    x = 108,164.04

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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.