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Finding the Fourth Proportional to 224,726.34, 310,120.23 and 122,751.75

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Solution

The fourth proportional to 224,726.34, 310,120.23 and 122,751.75 is: 169,396.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,726.34 : 310,120.23 = 122,751.75 : x
  2. Step 2: Convert to fraction form
    224,726.34/310,120.23 = 122,751.75/x
  3. Step 3: Cross multiply
    224,726.34x = 310,120.23 × 122,751.75
  4. Step 4: Simplify right side
    224,726.34x = 38,067,800,942.90
  5. Step 5: Solve for x
    x = 38,067,800,942.90/224,726.34
  6. Step 6: Final answer
    x = 169,396.26

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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.