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Finding the Fourth Proportional to 227,412.76, 313,830.84 and 125,441.80

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Solution

The fourth proportional to 227,412.76, 313,830.84 and 125,441.80 is: 173,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,412.76 : 313,830.84 = 125,441.80 : x
  2. Step 2: Convert to fraction form
    227,412.76/313,830.84 = 125,441.80/x
  3. Step 3: Cross multiply
    227,412.76x = 313,830.84 × 125,441.80
  4. Step 4: Simplify right side
    227,412.76x = 39,367,505,465.11
  5. Step 5: Solve for x
    x = 39,367,505,465.11/227,412.76
  6. Step 6: Final answer
    x = 173,110.36

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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.