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Finding the Fourth Proportional to 213,233.40, 319,893.30 and 73,006.20

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Solution

The fourth proportional to 213,233.40, 319,893.30 and 73,006.20 is: 109,524.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,233.40 : 319,893.30 = 73,006.20 : x
  2. Step 2: Convert to fraction form
    213,233.40/319,893.30 = 73,006.20/x
  3. Step 3: Cross multiply
    213,233.40x = 319,893.30 × 73,006.20
  4. Step 4: Simplify right side
    213,233.40x = 23,354,194,238.46
  5. Step 5: Solve for x
    x = 23,354,194,238.46/213,233.40
  6. Step 6: Final answer
    x = 109,524.09

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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.