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Finding the Fourth Proportional to 226,499.60, 312,571.56 and 124,525.78

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Solution

The fourth proportional to 226,499.60, 312,571.56 and 124,525.78 is: 171,846.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,499.60 : 312,571.56 = 124,525.78 : x
  2. Step 2: Convert to fraction form
    226,499.60/312,571.56 = 124,525.78/x
  3. Step 3: Cross multiply
    226,499.60x = 312,571.56 × 124,525.78
  4. Step 4: Simplify right side
    226,499.60x = 38,923,217,314.82
  5. Step 5: Solve for x
    x = 38,923,217,314.82/226,499.60
  6. Step 6: Final answer
    x = 171,846.74

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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.