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Finding the Fourth Proportional to 219,300.30, 328,846.74 and 100,936.62

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Solution

The fourth proportional to 219,300.30, 328,846.74 and 100,936.62 is: 151,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,300.30 : 328,846.74 = 100,936.62 : x
  2. Step 2: Convert to fraction form
    219,300.30/328,846.74 = 100,936.62/x
  3. Step 3: Cross multiply
    219,300.30x = 328,846.74 × 100,936.62
  4. Step 4: Simplify right side
    219,300.30x = 33,192,678,433.62
  5. Step 5: Solve for x
    x = 33,192,678,433.62/219,300.30
  6. Step 6: Final answer
    x = 151,357.20

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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.