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Finding the Fourth Proportional to 229,483.54, 344,215.95 and 79,757.78

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Solution

The fourth proportional to 229,483.54, 344,215.95 and 79,757.78 is: 119,633.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,483.54 : 344,215.95 = 79,757.78 : x
  2. Step 2: Convert to fraction form
    229,483.54/344,215.95 = 79,757.78/x
  3. Step 3: Cross multiply
    229,483.54x = 344,215.95 × 79,757.78
  4. Step 4: Simplify right side
    229,483.54x = 27,453,900,012.59
  5. Step 5: Solve for x
    x = 27,453,900,012.59/229,483.54
  6. Step 6: Final answer
    x = 119,633.42

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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.