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Finding the Fourth Proportional to 149,212.70, 223,819.05 and 125,593.10

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Solution

The fourth proportional to 149,212.70, 223,819.05 and 125,593.10 is: 188,389.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,212.70 : 223,819.05 = 125,593.10 : x
  2. Step 2: Convert to fraction form
    149,212.70/223,819.05 = 125,593.10/x
  3. Step 3: Cross multiply
    149,212.70x = 223,819.05 × 125,593.10
  4. Step 4: Simplify right side
    149,212.70x = 28,110,128,328.56
  5. Step 5: Solve for x
    x = 28,110,128,328.56/149,212.70
  6. Step 6: Final answer
    x = 188,389.65

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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.