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Finding the Fourth Proportional to 221,794.51, 332,787.09 and 72,080.69

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Solution

The fourth proportional to 221,794.51, 332,787.09 and 72,080.69 is: 108,152.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,794.51 : 332,787.09 = 72,080.69 : x
  2. Step 2: Convert to fraction form
    221,794.51/332,787.09 = 72,080.69/x
  3. Step 3: Cross multiply
    221,794.51x = 332,787.09 × 72,080.69
  4. Step 4: Simplify right side
    221,794.51x = 23,987,523,070.29
  5. Step 5: Solve for x
    x = 23,987,523,070.29/221,794.51
  6. Step 6: Final answer
    x = 108,152.01

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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.