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Finding the Fourth Proportional to 219,615.88, 303,069.90 and 119,013.88

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Solution

The fourth proportional to 219,615.88, 303,069.90 and 119,013.88 is: 164,239.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,615.88 : 303,069.90 = 119,013.88 : x
  2. Step 2: Convert to fraction form
    219,615.88/303,069.90 = 119,013.88/x
  3. Step 3: Cross multiply
    219,615.88x = 303,069.90 × 119,013.88
  4. Step 4: Simplify right side
    219,615.88x = 36,069,524,710.21
  5. Step 5: Solve for x
    x = 36,069,524,710.21/219,615.88
  6. Step 6: Final answer
    x = 164,239.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.