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Finding the Fourth Proportional to 226,024.50, 311,928.39 and 125,422.50

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Solution

The fourth proportional to 226,024.50, 311,928.39 and 125,422.50 is: 173,091.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,024.50 : 311,928.39 = 125,422.50 : x
  2. Step 2: Convert to fraction form
    226,024.50/311,928.39 = 125,422.50/x
  3. Step 3: Cross multiply
    226,024.50x = 311,928.39 × 125,422.50
  4. Step 4: Simplify right side
    226,024.50x = 39,122,838,494.78
  5. Step 5: Solve for x
    x = 39,122,838,494.78/226,024.50
  6. Step 6: Final answer
    x = 173,091.14

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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.