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Finding the Fourth Proportional to 225,604.37, 311,334.03 and 125,002.37

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Solution

The fourth proportional to 225,604.37, 311,334.03 and 125,002.37 is: 172,503.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,604.37 : 311,334.03 = 125,002.37 : x
  2. Step 2: Convert to fraction form
    225,604.37/311,334.03 = 125,002.37/x
  3. Step 3: Cross multiply
    225,604.37x = 311,334.03 × 125,002.37
  4. Step 4: Simplify right side
    225,604.37x = 38,917,490,054.98
  5. Step 5: Solve for x
    x = 38,917,490,054.98/225,604.37
  6. Step 6: Final answer
    x = 172,503.27

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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.