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Finding the Fourth Proportional to 236,428.20, 354,447.90 and 125,620.20

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Solution

The fourth proportional to 236,428.20, 354,447.90 and 125,620.20 is: 188,327.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,428.20 : 354,447.90 = 125,620.20 : x
  2. Step 2: Convert to fraction form
    236,428.20/354,447.90 = 125,620.20/x
  3. Step 3: Cross multiply
    236,428.20x = 354,447.90 × 125,620.20
  4. Step 4: Simplify right side
    236,428.20x = 44,525,816,087.58
  5. Step 5: Solve for x
    x = 44,525,816,087.58/236,428.20
  6. Step 6: Final answer
    x = 188,327.01

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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.